GPSY - Overview: Glucopsychosine, Blood Spot

Second-tier test when newborn screening results with reduced beta-glucosidase (GBA) activity are identified Diagnosis and monitoring of patients with Gaucher disease using dried blood spot specimens Monitoring a patient's response to...

OXYWB - Overview: Oxysterols, Blood

Investigating a possible diagnosis of Niemann-Pick disease type A, B, or C using whole blood specimens Monitoring of individuals with Niemann-Pick type C disease This test is not useful for the identification of carriers.

OXNP - Overview: Oxysterols, Plasma

Investigating a possible diagnosis of Niemann-Pick disease types A, B, or C using plasma specimens Monitoring of individuals with Niemann-Pick type C disease This test is not useful for the identification of carriers.

HPCOV - Overview: Severe Acute Respiratory Syndrome Coronavirus 2 (SARS CoV-2), Molecular Detection, Varies

Diagnosis of COVID-19 illness due to SARS-CoV-2

HBABY - Overview: Hepatitis B Virus Perinatal Exposure Follow-up Panel, Serum

Determining hepatitis B virus infection and immunity status (with or without perinatal prophylaxis) in infants born to mothers with chronic hepatitis B

APHTS - Overview: Amphiphysin Antibody Titer Assay, Serum

Evaluating patients with recent onset of a subacute neurological disorder for which a paraneoplastic basis might be suspected, particularly if the patient has a previous history, risk factors, or family history of cancer, especially lung or...

APHTC - Overview: Amphiphysin Antibody Titer Assay, Spinal Fluid

Evaluating patients with recent onset of a subacute neurological disorder for which a paraneoplastic basis might be suspected, particularly if the patient has a previous history, risk factors, or family history of cancer, especially lung or...

CRMWS - Overview: Collapsin Response-Mediator Protein-5-IgG, Western Blot, Serum

Evaluation of cases of chorea, vision loss, cranial neuropathy and myelopathy

CRMWC - Overview: Collapsin Response-Mediator Protein-5-IgG, Western Blot, Spinal Fluid

Evaluation of cases of chorea, vision loss, cranial neuropathy and myelopathy

GFATC - Overview: Glial Fibrillary Acidic Protein Alpha Subunit Antibody, Immunofluorescence Titer Assay, Spinal Fluid

Reporting an end titer result in spinal fluid specimens Distinguishing, in spinal fluid, autoimmune GFAP astrocytopathy from infectious meningoencephalitis and idiopathic inflammatory central nervous system (CNS) disorders such as multiple...