NAIFA - Overview: Antinuclear Antibodies, HEp-2 Substrate, IgG, Serum

Evaluation of patients suspected of having systemic autoimmune rheumatic disease (ANA-associated rheumatic diseases or connective tissue disease) or organ-specific autoimmune diseases such as autoimmune liver diseases

VASC - Overview: Antineutrophil Cytoplasmic Antibodies Vasculitis Panel, Serum

Evaluating patients with clinical features of anti-neutrophil cytoplasmic antibody-associated vasculitis, specifically granulomatosis with polyangiitis, microscopic polyangiitis, and eosinophilic granulomatosis with polyangiitis

APGH - Overview: Alpha-Subunit Pituitary Tumor Marker, Serum

Adjunct in the diagnosis of pituitary tumors As part of the follow-up of treated pituitary tumor patients Differential diagnosis of thyrotropin-secreting pituitary tumor versus thyroid hormone resistance Differential diagnosis of...

MASF - Overview: Angiosarcoma, MYC (8q24) Amplification, FISH, Tissue

Identifying MYC amplification to aid in the differentiation of cutaneous angiosarcomas from atypical vascular lesions after radiotherapy

AATTF - Overview: Antithrombin Activity, with Reflex to Antithrombin Antigen, Plasma

Diagnosis of antithrombin deficiency, acquired or congenital

ASUCR - Overview: Arsenic/Creatinine, Ratio, with Reflex, Random, Urine

Preferred screening test for detection of arsenic exposure using random urine specimens

CTNBT - Overview: B-Catenin Mutation Analysis, Next-Generation Sequencing, Tumor

Distinguishing desmoid-type fibromatosis from other soft tissue tumors by assessing gene targets within the beta-catenin (CTNNB1) gene

WBGDD - Overview: Beta-Globin Gene Cluster, Deletion/Duplication, Varies

Determining the etiology of hereditary persistence of fetal hemoglobin (HPFH), delta-beta thalassemia, or other large deletions involving the beta-globin gene cluster Diagnosing less common causes of beta thalassemia; these large...

CHRHB - Overview: Chromosome Analysis, Hematologic Disorders, Blood

Assisting in the classification and follow-up of certain malignant hematological disorders when bone marrow is not available This test is not useful for congenital disorders.

CIDP - Overview: Chronic Inflammatory Demyelinating Polyradiculoneuropathy/Nodopathy Evaluation, Serum

Evaluating for chronic inflammatory demyelinating polyradiculoneuropathy (CIDP) and related demyelinating peripheral neuropathies