CORAB - Overview: Hepatitis B Virus Core Total Antibodies, with Reflex to Hepatitis B Virus Core IgM Antibody, Serum

Detection and differentiation between recent, past/resolved, or chronic hepatitis B Diagnosis of recent hepatitis B virus (HBV) infection during the "window period" when both hepatitis B surface (HBs) antigen and anti-HBs are negative...

ENDCP - Overview: Hereditary Endocrine Cancer Panel, Varies

Evaluating patients with a personal or family history suggestive of a hereditary endocrine tumor syndrome Establishing a diagnosis of a hereditary endocrine tumor syndrome, allowing for targeted surveillance based on associated risks...

WESPR - Overview: Panel to Whole Exome Sequencing Reflex Test, Varies

Serving as a second-tier test for patients in whom previous genetic testing was negative or inconclusive Identifying causative variants in genes that were not included on panel testing which can allow for: -Better understanding of the...

ARSBB - Overview: Arylsulfatase B, Blood Spot

Supporting the biochemical diagnosis of mucopolysaccharidosis type VI (MPS VI, Maroteaux-Lamy syndrome) This test is not useful for carrier detection for MPS VI

MPS3B - Overview: Mucopolysaccharidosis III, Three-Enzyme Panel, Blood Spot

Supporting the biochemical diagnosis of mucopolysaccharidoses types IIIA, IIIB, IIIC This test is not useful for carrier detection.

TGMS - Overview: Thyroglobulin Mass Spectrometry, Serum

Accurate measurement of serum thyroglobulin (Tg) in patients with known or suspected antithyroglobulin autoantibodies (TgAb) or heterophile antibodies (HAb) Reflex testing of samples with previously unknown TgAb status that prove TgAb...

SER - Overview: Serotonin, Serum

In conjunction with, or as an alternative to, first-order tests in the differential diagnosis of isolated symptoms suggestive of carcinoid syndrome, in particular flushing (5-hydroxyindoleacetic acid or serum chromogranin A measurements are...

MPS2B - Overview: Endogenous Mucopolysaccharidosis Type II (I2S [Iduronate-2-Sulfatase]) Biomarker, Blood Spot

Second-tier testing of newborns with an abnormal primary screening result for mucopolysaccharidosis type II (MPS II, decreased iduronate-2-sulfatase) Follow-up testing for evaluation of an abnormal newborn screening result for MPS II This...

XALDZ - Overview: X-Linked Adrenoleukodystrophy, Full Gene Analysis, Varies

Confirming a diagnosis of X-linked adrenoleukodystrophy Identifying a variant in the ABCD1 gene

MP9W - Overview: Mucopolysaccharidoses, Nine-Enzyme Panel, Leukocytes

Supporting the biochemical diagnosis of mucopolysaccharidoses types II, IIIA, IIIB, IIIC, IIID, IVA, IVB, VI, and VII, and of multiple sulfatase deficiency This test is not useful for carrier detection.

ENAE - Overview: Antibody to Extractable Nuclear Antigen Evaluation, Serum

Evaluating patients with clinical features suggestive of antinuclear antibody (ANA) associated connective tissue disease. May also be indicated in patients who test negative for ANA and have features of Sjogren syndrome and idiopathic...

AGAS - Overview: Alpha-Galactosidase, Serum

Diagnosis of Fabry disease in male patients Preferred screening test (serum) for Fabry disease This test is not useful for patients undergoing a work up for a meat or meat-derived product allergy.

MPS1Z - Overview: Hurler Syndrome, Full Gene Analysis, Varies

Identifying variants within the IDUA gene Confirmation of a diagnosis of mucopolysaccharidosis type I (MPS-I) Carrier testing when there is a family history of MPS- I, but disease-causing variants have not been previously identified

CPAVP - Overview: Copeptin proAVP, Plasma

Investigating the differential diagnosis for patients with water balance disorders, including diabetes insipidus, in conjunction with osmolality and hydration status May aid in the evaluation of cardiovascular disease in conjunction with...

PSAFT - Overview: Prostate-Specific Antigen (PSA), Total and Free, Serum

As an aid in distinguishing prostate cancer from benign prostatic conditions in men aged 50 years and older with total PSA between 4.0 and 10.0 ng/mL with digital rectal examination findings that are not suspicious for cancer

RBCS - Overview: Relative B-Cell Subset Analysis Percentage, Blood

Screening for humoral or combined immunodeficiencies, including common variable immunodeficiency, hyper IgM syndrome, among others, where B-cell subset distribution information is desired Assessing B-cell subset reconstitution after...

FLARP - Overview: Free-Living Amebae, Molecular Detection, PCR, Varies

Aids in the diagnosis of primary amebic meningoencephalitis and granulomatous amebic encephalitis in spinal fluid and tissue in conjunction with clinical and radiologic findings This test should not be used to screen asymptomatic patients.

MPS4B - Overview: Mucopolysaccharidosis IV Enzyme Panel, Blood Spot

Supporting the biochemical diagnosis of mucopolysaccharidosis type IVA and IVB This test is not useful for carrier detection.

SERWB - Overview: Serotonin, Blood

In conjunction with, or as an alternative to, first-order tests in the differential diagnosis of isolated symptoms suggestive of carcinoid syndrome, in particular flushing (5-hydroxyindoleacetic acid or serum chromogranin A measurements are...

STER - Overview: Sterols, Plasma

Investigation of possible desmosterolosis (desmosterol reductase deficiency), cerebrotendinous xanthomatosis, lathosterolosis, sitosterolemia, sterol C4 methyl oxidase deficiency, MEND (male EBP disorder with neurologic defects) syndrome,...

MPS2R - Overview: Endogenous Mucopolysaccharidosis Type II (I2S [Iduronate-2-Sulfatase]) Biomarker Reflex, Blood Spot

Second-tier testing of newborns with an abnormal primary screening result for mucopolysaccharidosis type II (MPS II, decreased iduronate-2-sulfatase) where quantitation of the glycosaminoglycans dermatan and heparan sulfate is desired in...

POXP - Overview: Fatty Acid Profile, Peroxisomal (C22-C26), Plasma

Evaluating patients with possible peroxisomal disorders, including peroxisomal biogenesis disorders, X-linked adrenoleukodystrophy, and Refsum disease using plasma specimens Aiding in the assessment of peroxisomal function

POX - Overview: Fatty Acid Profile, Peroxisomal (C22-C26), Serum

Evaluating patients with possible peroxisomal disorders, single-enzyme defects of peroxisomal metabolism, such as X-linked adrenoleukodystrophy or peroxisomal biogenesis disorders (Zellweger syndrome spectrum) using serum specimens Aiding...

DMC2 - Overview: Dementia, Autoimmune/Paraneoplastic Evaluation, Spinal Fluid

Investigating new onset dementia and cognitive impairment plus 1 or more of the following accompaniments using cerebrospinal fluid specimens: -Rapid onset and progression -Fluctuating course -Psychiatric accompaniments (psychosis,...

DMS2 - Overview: Dementia, Autoimmune/Paraneoplastic Evaluation, Serum

Investigating new onset dementia and cognitive impairment plus 1 or more of the following using serum specimens: -Rapid onset and progression -Fluctuating course -Psychiatric accompaniments (psychosis, hallucinations) -Movement disorder...

HVPRS - Overview: HIV Antigen and Antibody Prenatal Routine Screen, Serum

Screening for HIV-1 and HIV-2 infection in nonsymptomatic pregnant patients This test should not be used as a screening or confirmatory test for blood donor specimens.

HIVSS - Overview: HIV-1 and HIV-2 Antigen and Antibody Routine Screen, Serum

Screening for HIV-1 and HIV-2 infection in nonsymptomatic, nonpregnant individuals older than 2 years This test should not be used as a screening or confirmatory test for blood donor specimens.

HBAG - Overview: Hepatitis B Virus Surface Antigen, Serum

Diagnosis of acute, recent, or chronic hepatitis B Determination of chronic hepatitis B status This test should not be used as a screening or confirmatory test for blood donor specimens.

HIVSP - Overview: HIV Antigen and Antibody Prenatal Routine Screen, Plasma

Screening for HIV-1 and HIV-2 infection in nonsymptomatic pregnant patients This test should not be used as a screening or confirmatory test for blood donor specimens.

SERU - Overview: Serotonin, 24 Hour, Urine

Diagnosis of a small subgroup of carcinoid tumors that produce predominately 5-hydroxytryptophan (5-HTP) but very little serotonin and chromogranin A Follow-up for patients with known or treated carcinoid tumors that produce predominately...

DENVP - Overview: Dengue Virus Antibody/Antigen Panel, Serum

Aiding in the diagnosis of dengue virus infection by detection of IgM and IgG antibodies and the nonstructural protein 1 (NS1)

MSP3 - Overview: Multiple Sclerosis (MS) Cascade, Serum and Spinal Fluid

Diagnosing multiple sclerosis, especially helpful in patients with equivocal clinical or radiological findings

TREGS - Overview: T-Cell Subsets, Regulatory (Tregs), Blood

Evaluating patients with clinical features of IPEX (immune dysregulation, polyendocrinopathy, enteropathy, X-linked inheritance) and other primary immunodeficiencies, autoimmune diseases, allergy and asthma, and graft-vs-host disease...

MP8BS - Overview: Mucopolysaccharidoses, Eight-Enzyme Panel, Blood Spot

Supporting the biochemical diagnosis of mucopolysaccharidoses types II, IIIA, IIIB, IIIC, IVA, IVB, VI, and VII, and of multiple sulfatase deficiency This test is not useful for carrier detection.

DMITO - Overview: Mitochondrial DNA Deletion Heteroplasmy, ddPCR, Varies

Assessing the heteroplasmy level of previously detected large mitochondrial DNA (mtDNA) deletions. Screening family members for previously detected large mtDNA deletions. This test is not recommended for first tier diagnostic testing...

PFAPE - Overview: Fatty Acid Profile, Essential, Plasma

Evaluating the nutritional intake and intestinal absorption of essential fatty acids using plasma specimens Identifying deficiency of essential and other nutritionally beneficial fatty acids Monitoring treatment of patients with essential...

FAPEP - Overview: Fatty Acid Profile, Essential, Serum

Evaluating the nutritional intake and intestinal absorption of essential fatty acids using serum specimens Identifying deficiency of essential and other nutritionally beneficial fatty acids Monitoring treatment of patients with essential...

MAC1 - Overview: Myelopathy, Autoimmune/Paraneoplastic Evaluation, Spinal Fluid

Evaluating patients with suspected autoimmune myelopathy, myelitis, and paraneoplastic myelopathy using spinal fluid specimens

HGNA - Overview: Mercury, Nails

Detecting mercury exposure in nail specimens

APOL1 - Overview: APOL1 Genotype, Varies

Determining an individual's APOL1 genotype This test is not useful for clinical management of individuals with APOL1 risk genotypes. This test alone is not useful for determining eligibility for donation or receipt of kidney...

HIVDS - Overview: HIV-1 and HIV-2 Antigen and Antibody Diagnostic Evaluation, Serum

Detecting HIV-1 and HIV-2 infection in symptomatic patients older than 2 years Follow-up testing of symptomatic individuals with reactive rapid HIV test results This test should not be used as a screening or confirmatory test for blood...

THYRP - Overview: Hereditary Thyroid Cancer Panel, Varies

Evaluating patients with a personal or family history suggestive of a hereditary thyroid cancer syndrome Establishing a diagnosis of a hereditary thyroid cancer syndrome, allowing for targeted surveillance based on associated...

H2BR - Overview: HER2 Amplification Associated with Breast Cancer, FISH, Tissue

A predictive marker for patients with both node-positive or node-negative primary and metastatic breast cancer Patients with HER2 amplification that may be candidates for therapies targeting the human epidermal growth factor receptor 2...

PHI11 - Overview: Prostate Health Index Reflex, Serum

As an aid in distinguishing prostate cancer from benign prostatic conditions in men aged 50 years and older with total PSA between 4.0 and 10.0 ng/mL and digital rectal examination findings that are not suspicious for cancer

NCYB - Overview: Recessive Congenital Methemoglobinemia, CYB5 and CYB5 Reductase Genetic Analysis, Next-Generation Sequencing, Varies

Providing a genetic evaluation for patients with a personal or family history suggestive of recessive congenital methemoglobinemia Genotype confirmation of borderline cytochrome b5 reductase (methemoglobin reductase: METR) enzyme activity...

DRV1 - Overview: Dilute Russell's Viper Venom Time (DRVVT), Plasma

Detecting and confirming or helping to exclude the presence of lupus anticoagulants (LA) Identifying LA that do not prolong the activated partial thromboplastin time (APTT) Evaluating unexplained prolongation of the APTT or prothrombin...

DRVI1 - Overview: Dilute Russell's Viper Venom Time (DRVVT), with Reflex, Plasma

Detecting and confirming or helping to exclude the presence of lupus anticoagulants (LA) Identifying LA that do not prolong the activated partial thromboplastin time (APTT) Evaluating unexplained prolongation of the APTT or prothrombin...

G6PD1 - Overview: Glucose 6-Phosphate Dehydrogenase Enzyme Activity, Blood

Evaluation of individuals with episodic or chronic Coombs-negative nonspherocytic hemolytic anemia Rapid testing to assess glucose 6-phosphate dehydrogenase (G6PD) enzyme capacity prior to rasburicase or other therapies that may cause...

MPSWB - Overview: Mucopolysaccharidosis, Blood

Supporting the biochemical diagnosis of mucopolysaccharidoses type I, II, III, IV, or VI Quantification of heparan sulfate, dermatan sulfate, and keratan sulfate in whole blood specimens

MPSBS - Overview: Mucopolysaccharidosis, Blood Spot

Supporting the biochemical diagnosis of mucopolysaccharidoses types I, II, III, IV, or VI Quantification of heparan sulfate, dermatan sulfate, and keratan sulfate in dried blood spot specimens