FRBP - Overview: Retinol Binding Protein

Retinol Binding Protein

ACRNS - Overview: Acylcarnitines, Quantitative, Serum

Diagnosis of fatty acid oxidation disorders and several organic acidurias using serum specimens Evaluating treatment during follow-up of patients with fatty acid beta-oxidation disorders and several organic acidurias

SCARA - Overview: Spinocerebellar Ataxia Type 1, 2, 3, 6, or 7, Repeat Expansion Analysis, Varies

Diagnostic or predictive testing when clinical symptoms or a family history are specific to only one type of spinocerebellar ataxia

TCRB - Overview: T-Cell Receptor V-Beta Repertoire Analysis, Spectratyping, Blood

Assessment of T-cell receptor diversity in various clinical contexts including inborn errors of immunity (formerly primary immunodeficiencies), monitoring immune reconstitution post-hematopoietic stem cell transplantation, and temporal...

TTRX - Overview: Amyloidosis, Transthyretin-Associated Familial, Reflex, Blood

Diagnosis of adult individuals suspected of having transthyretin-associated familial amyloidosis

ALBLD - Overview: Bleeding Diathesis Profile, Limited, Plasma

Detection of the more common potential causes of abnormal bleeding (eg, factor deficiencies/hemophilia, von Willebrand disease, factor-specific inhibitors) and a simple screen to evaluate for an inhibitor or severe deficiency of factor XIII...

ALDNA - Overview: Aldosterone with Sodium, 24 Hour, Urine

Investigating primary aldosteronism (eg, adrenal adenoma/carcinoma and adrenal cortical hyperplasia) and secondary aldosteronism (eg, renovascular disease, salt depletion, potassium loading, cardiac failure with ascites, pregnancy, Bartter...

AGNTC - Overview: Anti-Glial/Neuronal Nuclear Antibody-Type 1 (AGNA-1) Titer, Spinal Fluid

Reporting an end titer result from cerebrospinal fluid (CSF) specimens Serological evaluation using CSF specimens from patients who present with a subacute neurological disorder of undetermined etiology, especially those with risk factors...

AN2TC - Overview: Antineuronal Nuclear Antibody Type 2 (ANNA-2) Titer, Spinal Fluid

Investigating middle-aged or older patients who present with unexplainable signs of midbrain/cerebellar/brain stem disorder and/or myelopathy, especially women with a previous history of breast cancer, and both sexes if there is a history...

AGNTS - Overview: Anti-Glial/Neuronal Nuclear Antibody-Type 1 (AGNA-1) Titer, Serum

Reporting an end titer result from serum specimens Serological evaluation using serum specimens from patients who present with a subacute neurological disorder of undetermined etiology, especially those with risk factors for primary lung...