T3 - Overview: T3 (Triiodothyronine), Total, Serum

Second-order testing for hyperthyroidism in patients with low thyroid-stimulating hormone values and normal thyroxine levels Diagnosing triiodothyronine (T3) toxicosis This test is not useful for general screening of the population...

SSB - Overview: SS-B/La Antibodies, IgG, Serum

Evaluating patients with clinical features or at-risk for connective tissue disease, especially Sjögren syndrome.

SPSA - Overview: Prostate-Specific Antigen (PSA) Screen, Serum

As a screening aid in the detection of prostate cancer when used in conjunction with a digital rectal exam in men 50 years or older Screening to aid in the prognosis and management of individuals diagnosed with prostate cancer

HBABT - Overview: Hepatitis B Virus Surface Antibody Monitor, Post-Transplant, Serum

Monitoring serum hepatitis B virus surface antibody levels during intravenous or intramuscular hepatitis B immune globulin therapy to prevent hepatitis B virus reinfection in liver transplant recipients with known previous chronic hepatitis...

ERPR - Overview: Estrogen/Progesterone Receptor, Semi-Quantitative Immunohistochemistry, Manual

Guiding decisions on hormonal therapy in patients with breast carcinomas This test is not useful for cases of lobular carcinoma in situ.

WASEQ - Overview: Alpha Globin Gene Sequencing, Varies

Diagnosing nondeletional alpha thalassemia Testing for nondeletional alpha thalassemia in a symptomatic individual Follow-up testing to an abnormal hemoglobin electrophoresis that identified an alpha-globin chain variant

DCORT - Overview: 11-Deoxycortisol, Serum

Diagnostic workup of patients with congenital adrenal hyperplasia Part of metyrapone testing in the workup of suspected secondary or tertiary adrenal insufficiency Part of metyrapone testing in the differential diagnostic workup of...

TPBF - Overview: Protein, Total, Body Fluid

Identification of exudative pleural effusions Differentiating hepatic from other causes of ascites that have elevated serum ascites albumin gradient using peritoneal fluid

GUSBB - Overview: Beta-Glucuronidase, Blood Spot

Supporting the biochemical diagnosis of mucopolysaccharidosis VII (MPS VII, Sly syndrome) This test is not useful for determining carrier status for MPS VII.

CLAV - Overview: Cortisol, Left Adrenal Vein, Serum

Testing cortisol levels in the left adrenal vein Second-order testing wen cortisol measurement by immunoassay gives results that are not consistent with clinical symptoms, or if patients are known to, or suspected of, taking exogenous...