Plasma Renin Activity with Reflex to Aldosterone
*Build Your Own Panel Eligible [?]
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$146
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Description:
A suppressed Plasma Renin Activity (PRA), ≤1 ng/mL/hr, will reflex to Aldosterone test. This test is to screen patients for Primary Aldosteronism (PA). PA is under-recognized and the most common cause of secondary hypertension. Patients with untreated PA are at a higher risk of cardiovascular, kidney and metabolic disease when compared to essential hypertensive patients.
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Price:
$146
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Plasminogen Activator Inhibitor-1 (PAI-1) 4G/5G
*Build Your Own Panel Eligible [?]
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$501
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Description:
Plasma plasminogen activator inhibitor, PAI-1 is a major inhibitor of fibrinolysis. The 4G variant (AF386492.2:g.837del) in the PAI-1 (Serpine 1) gene promoter region is associated with an increase in the level of PAI-1 in plasma. Increased levels of PAI-1 in plasma may increase the risk for arterial and venous thrombosis, myocardial infarction, and progression of atherosclerosis and also recurrent spontaneous abortion.
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Price:
$501
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Plasminogen Activator Inhibitor (PAI-1) Ag
*Build Your Own Panel Eligible [?]
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$353
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Description:
Increased activity is associated with increased risk of arterial thrombosis, such as with unexplained premature myocardial infarction. As an acute phase reactant, the activity is increased after an acute event. Studies suggest PAI-1 may be a prognostic marker in early stage breast cancer.
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Price:
$353
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Plasminogen Activity
*Build Your Own Panel Eligible [?]
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$460
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Description:
Decreased plasminogen activity may be inherited or acquired. Acquired deficiencies may occur with: tranexamic acid and L-asparginase use, disseminated intravascular coagulation (DIC), liver disease, during and after thrombolytic therapy, sepsis, and hyperthyroidism. Plasminogen activity is developmentally regulated reaching adult levels at approximately 6 months of age. As a positive acute phase reactant, increased levels are associated with infection, trauma, surgery, inflammation and malignancy.
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Price:
$460
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Plasminogen, Antigenic
*Build Your Own Panel Eligible [?]
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$387
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Description:
This test, in combination with Plasminogen Activity (test code 4458), can help distinguish between 2 rare congenital plasminogen deficiency disorders: type 1 deficiency (hypoplasminogenemia) and type 2 deficiency (dysplasminogenemia) [1]. Type I deficiency is a quantitative deficiency that results in low plasminogen antigenic and activity levels. Type I deficiency may cause ligneous conjunctivitis. Type II deficiency is a functional deficiency that results in normal antigenic levels and low activity levels [1,2]. Plasminogen, a protein synthesized by the liver, is part of the fibrinolysis system. In the body, plasminogen is converted to plasmin in the presence of fibrin and serves to limit the extent of clot formation to preserve blood flow through vessels [1]. Plasminogen also plays an integral role in wound healing [2]. Low levels of plasminogen may be acquired or congenital. Most plasminogen deficiencies are acquired as a result of (1) treatment with thrombolytic agents such as urokinase or tissue plasminogen activator (TPA); (2) consumption from disseminated intravascular coagulation (DIC); or (3) impaired synthesis from liver disease [3]. Type I congenital plasminogen deficiencies have been associated with pseudomembrane formation on mucosal surfaces. Ligneous conjunctivitis is the most well-defined disorder associated with quantitative deficiency of plasminogen [2]. The relationship between plasminogen deficiency and thrombosis is unclear [2,3]. Many conditions may affect results of plasminogen testing, including liver failure; processes that increase fibrin degradation products (FDPs), such as DIC; and interference from elevated hemoglobin, bilirubin, or triglycerides. Exposure to heparin or cryoprecipitate products may also affect results. Interpretation of the antigenic plasminogen result requires integration with other laboratory and clinical studies. This test should be interpreted in the context of pertinent clinical and family history, and physical examination findings. References 1. Shaz BH, et al. Transfusion Medicine and Hemostasis Clinical and Laboratory Aspects. 2nd ed. New York, NY: Elsevier; 2013:883-884. 2. Mehta R, et al. Haemophilia. 2008;14:1261-1268. 3. Hedner U, et al. Haemostasis.1988;18(suppl 1):87-92
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Price:
$387
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Platelet Antibodies, Indirect (IgG, IgM)
*Build Your Own Panel Eligible [?]
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$302
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Description:
The identification of circulating platelet antibodies is useful in order to identify immune-mediated platelet destruction. Disorders associated with immune platelet destruction include isoimmune neonatal thrombocytopenia, drug induced thrombocytopenia, drug sensitivities, allergies and post transfusion purpura. The destruction is either congenital, i.e., autoimmune where a malfunction in the immune response results in the production of antibodies directed against 'self' platelet specific antigens; or else platelet destruction occurs when the patient received platelet-specific antibodies from an outside source such as a non-compatible blood transfusion or maternal transfer across the placental barrier. In either of the above situations, the detection of platelet antibodies is useful in order to determine if an immune basis is responsible for the thrombocytopenia observed clinically.
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Price:
$302
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Platelet Antibodies, Indirect (IgG, IgM, IgA)
*Build Your Own Panel Eligible [?]
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$531
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Description:
The identification of circulating platelet antibodies is useful in order to identify immune-mediated platelet destruction. Disorders associated with immune platelet destruction include isoimmune neonatal thrombocytopenia, drug induced thrombocytopenia, drug sensitivities, allergies and post transfusion purpura. The destruction is either autoimmune, where a malfunction in the immune response results in the production of antibodies directed against 'self' platelet specific antigens; or else platelet destruction occurs when the patient received platelet-specific antibodies from an outside source such as a non-compatible blood transfusion or maternal transfer across the placental barrier. In either of the above situations, the detection of platelet antibodies is useful in order to determine if an immune basis is responsible for the thrombocytopenia observed clinically.
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Price:
$531
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Platelet Antibody, Direct, Flow Cytometry
*Build Your Own Panel Eligible [?]
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$477
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Description:
Thrombocytopenia that is refractory to platelet transfusions may be due to direct platelet antibody. Testing is useful to differentiate immune from non-immune disorders.
Categories:
Price:
$477
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Platelet Antibody, Direct (IgG)
*Build Your Own Panel Eligible [?]
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$465
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Description:
Platelet associated IgG, IgA, and IgM (PAIgG, PAIgM, PAIgA) detection is useful in identifying immune-mediated platelet destruction. Elevated PAIgG is associated with autoimmune thrombocytopenia purpura (ITP) as well as thrombocytopenia in systemic lupus erythromatous (SLE), carcinoma, HIV, lymphoma, Hodgkin's disease and Hashimoto's thyroiditis.
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Price:
$465
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Platelet Antibody, Indirect (IgG)
*Build Your Own Panel Eligible [?]
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$442
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Description:
The identification of circulating platelet antibodies is useful in order to identify immune-mediated platelet destruction. Disorders associated with immune platelet destruction include isoimmune neonatal thrombocytopenia, drug induced thrombocytopenia, drug sensitivities, allergies and post transfusion purpura. The destruction is either autoimmune, where a malfunction in the immune response results in the production of antibodies directed against 'self' platelet specific antigens; or else platelet destruction occurs when the patient received platelet-specific antibodies from an outside source such as a non-compatible blood transfusion or maternal transfer across the placental barrier. In either of the above situations, the detection of platelet antibodies is useful in order to determine if an immune basis is responsible for the thrombocytopenia observed clinically.
Categories:
Price:
$442
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Platelet Antibody, Indirect (IgM)
*Build Your Own Panel Eligible [?]
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$442
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Description:
The identification of circulating platelet antibodies is useful in order to identify immune-mediated platelet destruction. Disorders associated with immune platelet destruction include isoimmune neonatal thrombocytopenia, drug induced thrombocytopenia, drug sensitivities, allergies and post transfusion purpura. The destruction is either autoimmune, where a malfunction in the immune response results in the production of antibodies directed against 'self' platelet specific antigens; or else platelet destruction occurs when the patient received platelet-specific antibodies from an outside source such as a non-compatible blood transfusion or maternal transfer across the placental barrier. In either of the above situations, the detection of platelet antibodies is useful in order to determine if an immune basis is responsible for the thrombocytopenia observed clinically.
Categories:
Price:
$442
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Platelet Antibody Screen (IgG and IgM)
*Build Your Own Panel Eligible [?]
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$447
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Description:
- Check for unexplained bruising causes
- Screen for low platelet count issues
- Detect immune-related bleeding problems
Categories:
Price:
$447
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Platelet Autoantibodies
*Build Your Own Panel Eligible [?]
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$543
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Description:
- Detect unexplained bruising and bleeding causes
- Check immune attacks on your platelets
- Screen for low platelet count reasons
Categories:
Price:
$543
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Platelet Count, EDTA
*Build Your Own Panel Eligible [?]
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$49
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Description:
Platelets must be present in adequate numbers and have proper function to aid in hemostasis.
Categories:
Price:
$49
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Platinum, Serum/Plasma
*Build Your Own Panel Eligible [?]
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$410
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Description:
- Measures platinum levels in blood.
- Checks for platinum exposure.
- Monitors treatment with platinum drugs.
Includes:
Platinum, Serum/Plasma
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Price:
$410
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Plum (f255) IgE
*Build Your Own Panel Eligible [?]
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$49
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Description:
This test detects the presence of specific IgE against plums. A positive test only indicates that a person is sensitized and potentially allergic to this allergen. A diagnosis of allergy requires clinical signs and symptoms that appear to be associated with exposure to the allergen in addition to the detection of markers of IgE sensitization [1].More specific information about this allergen can be found on the following website: https://www.thermofisher.com/phadia/us/en/resources/allergen-encyclopedia.htmlReference1. Bernstein IL, et al. Ann Allergy Asthma Immunol. 2008;100(3 Suppl 3):S1-S148.
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Price:
$49
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PML-RARA t(15;17), Quantitative, Real Time-PCR
*Build Your Own Panel Eligible [?]
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$747
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Description:
This assay detects the short form (bcr3), long form (bcr1) and the variant exon 6 (bcr2) PML-RARA transcripts associated with the t(15; 17) chromosomal translocation. PML-RARA transcript levels are expressed as normalized copy number (NCN) of PML-RARA using ABL1 as internal control. The lower limit of PML-RARA + leukemia detection in this assay is dependent on the quality of RNA obtained and the cellularity of the sample. Analytic assay sensitivity is determined at 1:100,000. Various clinical regimens combining all-trans retinoic acid (ATRA), arsenic trioxide (ATO) and anthracyclines now cure the majority of APL patients. ATRA induces APL differentiation and transient remissions. ATO targets PML through oxidation-triggered disulphide bond formation and direct binding, resulting in PML-RARA sumoylation, ubiquitylation and proteasome-mediated degradation (Lallemand-Breitenbach et al. 2012).
Categories:
Price:
$747
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PMS2, IHC with Interpretation
*Build Your Own Panel Eligible [?]
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$442
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Description:
Defects in mismatch repair systems cause elevated spontaneous mutation rates and increased instability of DNA microsatellite repetitive sequences expressed.
Categories:
Price:
$442
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PMS2, IHC without Interpretation
*Build Your Own Panel Eligible [?]
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$370
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Description:
Defects in mismatch repair systems cause elevated spontaneous mutation rates and increased instability of DNA microsatellite repetitive sequences expressed.
Categories:
Price:
$370
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PM/Scl-100 Antibody, IgG by Immunoblot
*Build Your Own Panel Eligible [?]
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$296
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Description:
May be useful when evaluating for systemic sclerosis or connective tissue disease associated with overlapping features of systemic sclerosis and/or myositis.
Categories:
Price:
$296
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Pneumocystis jirovecii DNA, Qualitative Real-Time PCR
*Build Your Own Panel Eligible [?]
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$679
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Description:
- Detect serious lung infection risk early
- Screen immune-compromised respiratory symptoms fast
- Monitor persistent cough and breathing issues
Categories:
Price:
$679
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Pneumocystis jirovecii, Quantitative, Real-Time PCR
*Build Your Own Panel Eligible [?]
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$770
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Description:
This test is intended for HIV-positive and immunocompromised individuals with clinical presentation and/or radiographic findings consistent with P. jirovecii infection. This test can be used to aid in the diagnosis of P. jirovecii pneumonia (PCP) enabling the initiation of specific therapy. The PCR test has higher sensitivity and specificity when compared to alternative diagnostic methods such as staining (GMS, Calcofluor white, DFA), (1,3) β-D-glucan test or imaging studies. Due to the analytical sensitivity of this assay, the test can be positive in colonized individuals without clinical evidence of PCP. The reportable range of this test is 250 to 125,000,000 copies/mL (2.40 to 8.10 Log copies/mL). The results of this test should be interpreted in the context of pertinent clinical findings and history.Reference1. Bateman M, et al. Medical Mycology. 2020;58 :1015-1028.
Categories:
Price:
$770
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Pokeweed Mitogen (PWM)-induced Lymphocyte Proliferation
*Build Your Own Panel Eligible [?]
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$394
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Description:
Measurement of human lymphocytes' proliferative responses to various stimuli is a fundamental technique used to assess their biological status and functions. Mitogens, such as plant lectins phytohemagglutinin (PHA), concanavalin A (Con A) and pokeweed mitogen (PWM), are able to nonspecifically stimulate lymphocyte proliferation and used to evaluate patient immune responsiveness.
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Price:
$394
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Poliovirus (Types 1, 3) Antibodies, Neutralization
*Build Your Own Panel Eligible [?]
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$722
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Description:
- Check if you are protected from polio
- Verify your body's defense against infection
- Assess need for booster to stay safe
Categories:
Price:
$722
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Poppy Seed (f224) IgE
*Build Your Own Panel Eligible [?]
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$49
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Description:
This test detects the presence of specific IgE against poppy seeds. A positive test only indicates that a person is sensitized and potentially allergic to this allergen. A diagnosis of allergy requires clinical signs and symptoms that appear to be associated with exposure to the allergen in addition to the detection of markers of IgE sensitization [1].More specific information about this allergen can be found on the following website: https://www.thermofisher.com/phadia/us/en/resources/allergen-encyclopedia.htmlReference1. Bernstein IL, et al. Ann Allergy Asthma Immunol. 2008;100(3 Suppl 3):S1-S148.
Categories:
Price:
$49
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Pork (f26) IgE
*Build Your Own Panel Eligible [?]
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$49
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Description:
This test detects the presence of specific IgE against pork. A positive test only indicates that a person is sensitized and potentially allergic to this allergen. A diagnosis of allergy requires clinical signs and symptoms that appear to be associated with exposure to the allergen in addition to the detection of markers of IgE sensitization [1].More specific information about this allergen can be found on the following website: https://www.thermofisher.com/phadia/us/en/resources/allergen-encyclopedia.htmlReference1. Bernstein IL, et al. Ann Allergy Asthma Immunol. 2008;100(3 Suppl 3):S1-S148.
Categories:
Price:
$49
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Pork (f26) IgG
*Build Your Own Panel Eligible [?]
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$118
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Description:
- Check pork food sensitivity levels
- Screen digestive discomfort after eating
- Track symptoms linked to pork
Categories:
Price:
$118
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Porphobilinogen, Quantitative, 24-Hour Urine
*Build Your Own Panel Eligible [?]
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$289
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Description:
Urinary Porphobilinogen is the first step in the diagnosis of acute porphyrias such as acute intermittent porphyria (AIP). AIP is an autosomal dominant disorder characterized by deficiency of porphobilinogen deaminase. An acute attack usually includes gatrointestinal disturbance and neuropsychiatric disorders.
Categories:
Price:
$289
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Porphobilinogen, Quantitative, Random Urine
*Build Your Own Panel Eligible [?]
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$289
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Description:
Urinary Porphobilinogen is the first step in the diagnosis of acute porphyrias such as acute intermittent porphyria (AIP). AIP is an autosomal dominant disorder characterized by deficiency of porphobilinogen deaminase. An acute attack usually includes gatrointestinal disturbance and neuropsychiatric disorders.
Categories:
Price:
$289
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Porphyrins, Fractionated, Plasma
*Build Your Own Panel Eligible [?]
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$438
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Description:
Porphyria is a group of distinct disorders characterized by the abnormal accumulation of porphyrins or porphyrin precursors. Porphyrin fractionation of plasma is useful in diagnosing certain types of porphyrias and excluding porphyrias in patients with chronic renal failure suspected of having a porphyria.
Categories:
Price:
$438
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Porphyrins, Fractionated, Quantitative, 24-Hour Urine
*Build Your Own Panel Eligible [?]
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$381
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Description:
Porphyria is a group of distinct disorders characterized by the abnormal accumulation of porphyrins or porphyrin precursors. Porphyrin Fractionation of Urine is useful in diagnosing porphyrin cutanea tarda, hereditary coproporphyria, and variegate porphyria.
Categories:
Price:
$381
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Porphyrins, Fractionated, Quantitative and Porphobilinogen, 24-Hour Urine
*Build Your Own Panel Eligible [?]
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$484
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Description:
Urinary Porphobilinogen is the first step in the diagnosis of acute porphyrias such as acute intermittent porphyria (AIP). AIP is an autosomal dominant disorder characterized by deficiency of porphobilinogen deaminase. An acute attack usually includes gastrointestinal disturbance and neuropsychiatric disorders.
Categories:
Price:
$484
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Porphyrins, Fractionated, Quantitative, Random Urine
*Build Your Own Panel Eligible [?]
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$295
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Description:
- Screen for rare porphyria symptoms
- Check unexplained abdominal pain causes
- Assess skin sensitivity and nerve symptoms
Categories:
Price:
$295
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Porphyrins, Total, Plasma
*Build Your Own Panel Eligible [?]
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$342
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Description:
To diagnose patients with chronic renal failure who may be suspected of primary or secondary porphyria.
Categories:
Price:
$342
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Posaconazole
*Build Your Own Panel Eligible [?]
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$474
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Description:
The antifungal drug posaconazole is indicated for prophylaxis of invasive aspergillus and candida infections in severely immunocompromised patients. It may also be used in the treatment of oropharyngeal candidiasis refractory to itraconazole and fluconazole. The chronic nature of fungal infections demands constant monitoring of posaconazole levels within a patient to ensure that adequate therapeutic levels of the drug are administered, absorbed and subsequently excreted.
Categories:
Price:
$474
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Post COVID-19 Coagulation Panel
*Build Your Own Panel Eligible [?]
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$340
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Description:
About 10-30% of patients continue with lingering symptoms four or more weeks after COVID-19 infection, including those who had mild, or no symptoms termed as post-COVID conditions. The Centers for Disease Control (CDC) provided Interim Guidance for Assessment and Testing for Evaluating and Caring for Patients with Post-COVID Conditions. The CDC recommends laboratory testing be guided by the patient history, physical examination, and clinical findings. Specialized tests might be considered if symptoms persist for 12 weeks post COVID. This panel is to be considered for persistent symptoms to evaluate coagulation conditions.
Categories:
Price:
$340
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Post COVID-19 Expanded Panel
*Build Your Own Panel Eligible [?]
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$174
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Description:
About 10-30% of patients continue with lingering symptoms four or more weeks after COVID-19 infection, including those who had mild, or no symptoms termed as post-COVID conditions. The Centers for Disease Control (CDC) provided Interim Guidance for Assessment and Testing for Evaluating and Caring for Patients with Post-COVID Conditions. The CDC recommends laboratory testing be guided by the patient history, physical examination, and clinical findings. A basic panel of laboratory tests might be considered for patients with ongoing symptoms to assess for conditions that may respond to treatment, until more information and evidence is available for specific laboratory testing for post-COVID conditions. This panel is to be considered for basic testing if no previous testing was performed.
Alternative names: Long Haul COVID,SARS-COV-2,CDC, Panel,Post COVID Conditions,Post-COVD-19,Post COVID Brain Fog,Post COVID Lethargy,CDC, Post COVID,Fatigue
Includes:
CBC (includes Differential and Platelets)
Basic Metabolic Panel
Hepatic Function Panel
Ferritin
Urinalysis, Complete
TSH with Reflex to Free T4
C-Reactive Protein (CRP)
Vitamin D, 25-Hydroxy, Total, Immunoassay
Vitamin B12 (Cobalamin)
Categories:
Allergy blood testing,
Heart & cholesterol,
Infectious diseases,
Pediatrics,
Price:
$174
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Post COVID-19 Panel
*Build Your Own Panel Eligible [?]
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$151
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Description:
About 10-30% of patients continue with lingering symptoms four or more weeks after COVID-19 infection, including those who had mild, or no symptoms termed as post-COVID conditions. The Centers for Disease Control (CDC) provided Interim Guidance for Assessment and Testing for Evaluating and Caring for Patients with Post-COVID Conditions. The CDC recommends laboratory testing be guided by the patient history, physical examination, and clinical findings. A basic panel of laboratory tests might be considered for patients with ongoing symptoms to assess for conditions that may respond to treatment, until more information and evidence is available for specific laboratory testing for post-COVID conditions. This panel is to be considered for persistent symptoms if basic testing such as Complete Blood Counts, Basic Metabolic Profile, and Liver Function Tests has been completed.
Categories:
Price:
$151
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Post COVID-19 Rheumatological Panel
*Build Your Own Panel Eligible [?]
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$496
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Description:
About 10-30% of patients continue with lingering symptoms four or more weeks after COVID-19 infection, including those who had mild, or no symptoms termed as post-COVID conditions. The Centers for Disease Control (CDC) provided Interim Guidance for Assessment and Testing for Evaluating and Caring for Patients with Post-COVID Conditions. The CDC recommends laboratory testing be guided by the patient history, physical examination, and clinical findings. Specialized tests might be considered if symptoms persist for 12 weeks post COVID. This panel is to be considered for persistent symptoms such as joint pains or rheumatological conditions.
Categories:
Price:
$496
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Post-holiday morning checkup
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$124
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Description:
- Check essential organs after the party stress
- Track hydration & inflammation
- Get an overall health snapshot
Includes:
Albumin, BUN/Creatinine Ratio (calculated), Calcium, Carbon Dioxide, Creatinine, Estimated Glomerular Filtration Rate (calculated), Glucose, Phosphate (as Phosphorus), Potassium, Sodium, Urea Nitrogen
Alanine aminotransferase (ALT/SGPT); albumin, serum; alkaline phosphatase, serum; aspartate aminotransferase (AST/SGOT); bilirubin, direct; bilirubin, total; protein, total, serum
Lipid Panel: Cholesterol, total; high-density lipoprotein (HDL) cholesterol; low-density lipoprotein (LDL) cholesterol (calculated); triglycerides; Non-HDL Cholesterol (calculated).
Complete Blood Count / CBC (includes Differential and Platelets):
WBC, RBC, Hemoglobin, Hematocrit, MCV, MCH, MCHC, RDW, Platelet Count, MPV and Differential (Absolute and Percent - Neutrophils, Lymphocytes, Monocytes, Eosinophils, and Basophils)
C-Reactive Protein (CRP)
Carbon Dioxide
Chloride
Potassium
Sodium
**** Electrolyte Panel is included in the Comprehensive Metabolic Profile (CMP) and Kidney Function Profile.***
Patient Instructions:
You should fast for 12-14 hours before collection of the specimen. Fasting is defined as no consumption of food or beverage other than water for at least 12-14 hours before testing.
Estimated turnaround for results is 3 business days. If confirmation testing is required, the estimated time may be extended.
Categories:
General wellness,
Price:
$124
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Post-Vasectomy, Spermatozoa, Qualitative
*Build Your Own Panel Eligible [?]
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$260
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Description:
- Checks for sperm after vasectomy.
- Confirms successful vasectomy procedure.
- Tests if vasectomy worked properly.
Includes:
Post-Vasectomy, Spermatozoa, Qualitative
Patient Instructions:
Collect into a sterile wide-mouth plastic container. Note the date and time of collection. The specimen should be delivered to the lab as soon as possible following collection.
Categories:
Price:
$260
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Potassium, 24-Hour Urine with Creatinine
*Build Your Own Panel Eligible [?]
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$212
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Description:
Assessment of hydration status and overall electrolyte balance.
Categories:
Price:
$212
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Potassium, 24-Hour Urine without Creatinine
*Build Your Own Panel Eligible [?]
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$202
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Description:
Urinary excretion of potassium is increased in primary aldosteronism. It is often increased in dehydration and in salicylate toxicity. Decreased levels are seen in malabsorption.
Categories:
Price:
$202
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Potassium, Feces
*Build Your Own Panel Eligible [?]
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$263
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Description:
This test measures potassium in liquid stool. Measurements of electrolytes and osmotic gap in liquid stool help differentiate between secretory and osmotic diarrhea and, thus, guide further evaluation of chronic diarrhea [1,2].Diarrhea can be categorized as secretory or osmotic depending on how the water content of stool is drawn in the intestine lumen. Secretory diarrhea is caused by defective electrolyte absorption that increases the stool's electrolyte levels. Conditions associated with secretory diarrhea include infection, neuroendocrine tumors, congenital chloridorrhea, intestinal resection, and diffuse mucosal disease [1]. Osmotic diarrhea is caused by the osmotic effect of a substance that retains water in the intestine lumen and leads to decreased electrolyte levels in the stool. Conditions associated with osmotic diarrhea include ingesting poorly absorbed solutes (eg, sorbitol, mannitol, and laxatives containing magnesium) and enzyme dysfunction (eg, lactose intolerance) [2].Stool potassium level is often measured in conjunction with stool sodium level to calculate osmotic gap, which is the difference between the stool osmolality and twice the sum of the stool sodium and potassium levels. Osmotic gap is useful in assessing the contribution of stool electrolytes to osmolality and differentiating between secretory and osmotic diarrhea [1,2].The results of this test should be interpreted in the context of pertinent clinical and family history and physical examination findings.References1. Schiller LR. Pract Res Clin Gastroenterol. 2012;26(5):551-562.2. Block DR, et al. Body fluids. In: Rifai R, et al. eds. Tietz Textbook of Laboratory Medicine. 7th ed. Elsevier Inc; 2022.
Categories:
Price:
$263
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Potassium, Plasma
*Build Your Own Panel Eligible [?]
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$49
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Description:
False elevations of potassium may be due to hemolysis or rupture of platelets during coagulation process. The use of plasma potassium levels should be limited to those patients with spuriously elevated or depressed potassium levels due to blood samples left at room temperature, in patients with chronic lymphocytic leukemia with very high WBC counts (false decline), and those with thrombocytosis (increased platelets) with counts in excess of one million (false elevation).
Categories:
Price:
$49
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Potassium, Random Urine with Creatinine
*Build Your Own Panel Eligible [?]
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$212
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Description:
Urinary excretion of potassium is increased in primary aldosteronism. It is often increased in dehydration and in salicylate toxicity. Decreased levels are seen in malabsorption.
Categories:
Price:
$212
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Potassium, Random Urine without Creatinine
*Build Your Own Panel Eligible [?]
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$202
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Description:
Urinary excretion of potassium is increased in primary aldosteronism. It is often increased in dehydration and in salicylate toxicity. Decreased levels are seen in malabsorption.
Categories:
Price:
$202
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Potassium, RBC
*Build Your Own Panel Eligible [?]
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$336
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Description:
- Measures potassium inside red blood cells
- Assesses electrolyte balance
- Useful in diagnosing potassium deficiencies
Includes:
Potassium, RBC
Categories:
Price:
$336
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Potassium, Serum
*Build Your Own Panel Eligible [?]
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$53
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Description:
Potassium measurements are useful in monitoring electrolyte balance in the diagnosis and treatment of disease conditions characterized by low or high blood potassium levels. Potassium is elevated in adrenal cortical insufficiency, acute renal failure and in some cases of diabetic acidosis. Potassium is decreased in diuretic administration and renal tubular acidosis.
A significant deviation from the normal range may require further evaluation by your physician.
Includes:
Serum potassium.
**** Potassium, serum is included in the Comprehensive Metabolic Profile (CMP), Chem Panel, Electrolyte Panel, Kidney Function Profile.***
Categories:
General wellness,
Hormones & metabolism,
Musculoskeletal diseases,
Price:
$53
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Potato (f35) IgE
*Build Your Own Panel Eligible [?]
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$49
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Description:
This test detects the presence of specific IgE against potatoes. A positive test only indicates that a person is sensitized and potentially allergic to this allergen. A diagnosis of allergy requires clinical signs and symptoms that appear to be associated with exposure to the allergen in addition to the detection of markers of IgE sensitization [1].More specific information about this allergen can be found on the following website: https://www.thermofisher.com/phadia/us/en/resources/allergen-encyclopedia.htmlReference1. Bernstein IL, et al. Ann Allergy Asthma Immunol. 2008;100(3 Suppl 3):S1-S148.
Categories:
Price:
$49
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