PCAG - Overview: Protein C Antigen, Plasma

Differentiating congenital type I protein C deficiency from type II deficiency Evaluating the significance of decreased functional protein C, especially when decreased protein C activity might be congenital rather than acquired (eg, due...

PCPMX - Overview: Phencyclidine (PCP) Confirmation, Chain of Custody, Meconium

Detection of in utero drug exposure up to 5 months before birth Chain of custody is required whenever the results of testing could be used in a court of law. Its purpose is to protect the rights of the individual contributing the specimen...

PBGU - Overview: Porphobilinogen, Quantitative, Random, Urine

First-order test for evaluating a suspected acute porphyria: acute intermittent porphyria, hereditary coproporphyria, and variegate porphyria

PC2TC - Overview: Purkinje Cell Cytoplasmic Antibody Type 2 (PCA-2) Titer, Spinal Fluid

Evaluating patients who present with a subacute neurological disorder of undetermined etiology and have risk factors for lung cancer Reporting an end titer result from spinal fluid specimens

PC2TS - Overview: Purkinje Cell Cytoplasmic Antibody Type 2 (PCA-2) Titer, Serum

Evaluating patients who present with a subacute neurological disorder of undetermined etiology and have risk factors for lung cancer Reporting an end titer result from serum specimens

PPFE - Overview: Protoporphyrins, Fractionation, Whole Blood

Evaluating patients with possible diagnoses of erythropoietic protoporphyria or X-linked dominant protoporphyria Establishing a biochemical diagnosis of erythropoietic protoporphyria and X-linked dominant protoporphyria

PARVS - Overview: Parvovirus B19 Antibodies, IgG and IgM, Serum

Serologic detection of recent or past parvovirus B19 infection

PCHE1 - Overview: Pseudocholinesterase, Total, Serum

Monitoring exposure to organophosphorus insecticides and herbicides Monitoring patients with liver disease, particularly those undergoing liver transplantation Identifying patients who are homozygous or heterozygous for an atypical gene...

TOXB - Overview: Toxoplasma gondii, Molecular Detection, PCR, Blood

Supporting the diagnosis of active toxoplasmosis, particularly in immunocompromised individuals

HEXAZ - Overview: Tay-Sachs Disease, HEXA Gene, Full Gene Analysis, Varies

Second-tier test for confirming a biochemical diagnosis of Tay-Sachs disease (TSD) Carrier testing of individuals with a family history of TSD but an affected individual is not available for testing or disease-causing mutations have not...

TREE3 - Overview: Tree Panel #3, Serum

Establishing a diagnosis of an allergy to tress in panel #3 Defining the allergen responsible for eliciting signs and symptoms Identifying allergens: -Responsible for allergic response and/or anaphylactic episode -To confirm...

TREE4 - Overview: Tree Panel #4, Serum

Establishing a diagnosis of an allergy to trees in panel #4 Defining the allergen responsible for eliciting signs and symptoms Identifying allergens: -Responsible for allergic response and/or anaphylactic episode -To confirm...

WEED2 - Overview: Weed Panel # 2, Serum

Establishing a diagnosis of an allergy to English plantain, lamb's quarters, mugwort, scale, and Western ragweed allergen Defining the allergen responsible for eliciting signs and symptoms Identifying allergens: -Responsible for allergic...

VMAR - Overview: Vanillylmandelic Acid, Random, Urine

Screening children for catecholamine-secreting tumors using a random urine collection when requesting vanillylmandelic acid only Supporting a diagnosis of neuroblastoma Monitoring patients with a treated neuroblastoma

GDF15 - Overview: Growth Differentiation Factor 15, Plasma

A circulating biomarker in myopathy-related mitochondrial disease as well as other conditions Investigation of patients suspected of having a mitochondrial myopathy This assay is not suitable for carrier detection.

BIVAL - Overview: Bivalirudin, Ecarin, Plasma

Monitoring of bivalirudin therapy for patients with prolonged baseline activated partial thromboplastin time

ETGX - Overview: Ethyl Glucuronide Confirmation, Chain of Custody, Random, Urine

Monitoring abstinence in clinical and justice system settings using ethyl glucuronide and ethyl sulfate as direct biomarkers or metabolites of ethanol This chain-of-custody test is intended to be used in a setting where the test results...

ROM - Overview: Measles (Rubeola) Antibodies, IgM, Serum

Determining acute-phase infection with rubeola (measles) virus using IgM antibody testing Aiding in the identification of nonimmune individuals through IgM antibody testing

PCTTC - Overview: Purkinje Cell Cytoplasmic Antibody, Type Tr (PCA-Tr) Titer, Spinal Fluid

Serological testing for Purkinje cell cytoplasmic antibody-Tr for patients with acquired cerebellar ataxia of undetermined etiology, particularly if the patient has a history of Hodgkin lymphoma Reporting an end titer result from spinal...

PRSSZ - Overview: PRSS1 Gene, Full Gene Analysis, Varies

Confirmation of suspected clinical diagnosis of hereditary pancreatitis (HP) in patients with chronic pancreatitis Identification of familial PRSSI mutation to allow for predictive and diagnostic testing in family members

RISA - Overview: Risankizumab, Serum

Assessing the response to risankizumab therapy Assessing the need for dose escalation Evaluating potential changes or discontinuation of therapy Monitoring patients who need to be above a certain risankizumab concentration to improve the...

RURC1 - Overview: Uric Acid/Creatinine Ratio, Random, Urine

Differentiation of acute uric acid nephropathy from other causes of acute kidney failure For patients who cannot collect a 24-hour specimen, typically small children, a uric acid to creatinine ratio can be used to approximate 24-hour...

UPGC - Overview: Uroporphyrinogen III Synthase (Co-Synthase), Erythrocytes

Diagnosis of congenital erythropoietic porphyria This test is not useful for diagnosis of acute intermittent porphyria (AIP).

ROXUR - Overview: Oxalate, Random, Urine

Monitoring therapy for kidney stones using random urine specimens Identifying increased urinary oxalate as a risk factor for stone formation Diagnosis of primary or secondary hyperoxaluria

HD1 - Overview: House Dust Panel, Serum

Establishing a diagnosis of an allergy to cockroach, Dermatophagoides farinea, Dermatophagoides pteronyssinus, and house dust/H-S lab Defining the allergen responsible for eliciting signs and symptoms Identifying allergens: -Responsible...

HG34W - Overview: Histone 3.3 G34W (H3F3A G34W) Immunostain, Technical Component Only

Aiding in the diagnosis of giant cell tumor of bone

HK27M - Overview: Histone H3 K27M Mutant (H3 K27M) Immunostain, Technical Component Only

Identifying the presence of altered H3 K27M protein

IGM - Overview: Immunoglobulin M (IgM), Serum

Detecting or monitoring of IgM monoclonal gammopathies and IgM-related immune deficiencies

GD65S - Overview: Glutamic Acid Decarboxylase (GAD65) Antibody Assay, Serum

Assessing susceptibility to autoimmune (type 1, insulin-dependent) diabetes mellitus and related endocrine disorders (eg, thyroiditis and pernicious anemia) Distinguishing between patients with type 1 and type 2 diabetes Confirming a...

GALK - Overview: Galactokinase, Blood

Diagnosis of galactokinase deficiency Evaluation of children with unexplained bilateral congenital or juvenile onset cataracts

F5DNA - Overview: Factor V Leiden (R506Q) Mutation, Blood

Patients with clinically suspected thrombophilia and: 1. Activated protein C (APC)-resistance either proven or suspected by a low or borderline APC-resistance ratio or 2. A family history of factor V Leiden

LGBBS - Overview: Globotriaosylsphingosine, Blood Spot

Screening of patients with Fabry disease using dried blood spots when a serum specimen is not available This test should not be used for newborn screening followup.

HPFH - Overview: Hemoglobin F Distribution, Blood

Distinguishing large deletional hereditary persistence of fetal hemoglobin from other conditions with increased percentage of fetal hemoglobin (Hb F) Determining the distribution of Hb F within red blood cells

FLT - Overview: FLT3 Mutation Analysis, Varies

Prognostic indication for some patients with acute myeloid leukemia This test should not be used to monitor residual disease following treatment.

PRKAF - Overview: Fibrolamellar Carcinoma, 19p13.1 (PRKACA) Rearrangement, FISH, Tissue

Aid in the diagnosis of identifying PRKACA gene rearrangements of patients with fibrolamellar carcinoma

IGG - Overview: Immunoglobulin G (IgG), Serum

Detecting or monitoring of IgG monoclonal gammopathies and immune deficiencies

MSMN - Overview: Membranous Nephropathy Target Antigen Identification, Mass Spectrometry, Tissue

Identification of antigen in membranous nephropathy

ALAD - Overview: Aminolevulinic Acid Dehydratase, Whole Blood

Preferred confirmation test for the diagnosis of aminolevulinic acid dehydratase deficiency porphyria This test is not useful for detecting lead intoxication.

MMLNS - Overview: Antimicrobial Susceptibility, Nocardia species and other Aerobic Actinomycetes, Varies

Determining the resistance of species of Nocardia and other aerobic actinomycetes to antimicrobial agents. This test is not useful for determining resistance of aerobic actinomycetes species of the following genera: Actinoallomurus,...

ALU - Overview: Aluminum, 24 Hour, Urine

Monitoring aluminum exposure Preferred matrix for assessment of exposure in patients with normal kidney function since rapidly filtered by kidneys Monitoring metallic prosthetic implant wear This test is not an acceptable substitute for...

ALBR - Overview: Albumin, Random, Urine

Assessing the potential for early onset of nephropathy in diabetic patients using random urine specimens

ALAUR - Overview: Aminolevulinic Acid, Urine

Assisting in the differential diagnosis of the acute hepatic porphyrias

ACTH - Overview: Adrenocorticotropic Hormone, Plasma

Determining the cause of hypercortisolism and hypocortisolism

ADAMS - Overview: ADAMTS13 Activity Assay, Plasma

Assisting with the diagnosis and monitoring of congenital, immune, or acquired thrombotic thrombocytopenic purpura

B210R - Overview: BCR/ABL1, p210, mRNA Detection, Reverse Transcription-PCR (RT-PCR), Quantitative, Reflex, Varies

Diagnostic workup of patients with a high probability of BCR-ABL1-positive hematopoietic neoplasms, particularly chronic myeloid leukemia and Ph+ acute lymphoblastic leukemia (B-lymphoblastic leukemia), to provide a pretreatment...

BMIYC - Overview: Borrelia miyamotoi Detection PCR, Spinal Fluid

Aids in the diagnosis of Borrelia miyamotoi infection in conjunction with clinical findings This test is not useful for detecting the Borrelia species that cause Lyme disease.

ALBFL - Overview: Albumin, Body Fluid

Aiding in identifying the cause of ascites Aiding in differentiating exudative and transudative pleural effusions

BUPR - Overview: Buprenorphine Screen with Reflex, Random, Urine

Screening and confirmation for drug abuse or use of buprenorphine

C5OHU - Overview: C5-OH Acylcarnitine, Quantitative, Random, Urine

Evaluation of patients with an abnormal newborn screen showing elevations of 3-hydroxyisovaleryl-/2-methyl-3-hydroxybutyryl-carnitine

SALCT - Overview: Cortisol, Saliva

Screening for Cushing syndrome Diagnosis of Cushing syndrome in patients presenting with symptoms or signs suggestive of the disease