BARBX - Overview: Barbiturates Confirmation, Chain of Custody, Random, Urine

Detecting drug abuse involving barbiturates such as amobarbital, butalbital, pentobarbital, phenobarbital, and secobarbital Chain of custody is required whenever the results of testing could be used in a court of law. Its purpose is to...

C4U - Overview: C4 Acylcarnitine, Quantitative, Random, Urine

Evaluation of patients with abnormal newborn screens showing elevations of iso-/butyrylcarnitine to aid in the differential diagnosis of short-chain acyl-CoA dehydrogenase and isobutyryl-CoA dehydrogenase deficiencies

CA25 - Overview: Cancer Antigen 125 (CA 125), Serum

Evaluating individuals' response to ovarian cancer therapy Predicting recurrent ovarian cancer This test is not useful for cancer detection screening in the normal population.

CARBG - Overview: Carbamazepine-10,11-Epoxide, Serum

Monitoring patients exhibiting symptoms of carbamazepine toxicity whose total serum carbamazepine concentration is within the therapeutic range, but who may be producing significant levels of the active metabolite epoxide, which can...

CTSK - Overview: Cathepsin K Immunostain, Technical Component Only

Evaluation for perivascular epithelioid cell neoplasms (PEComas), alveolar soft part sarcoma, and translocation-associated renal cell carcinomas

CD61 - Overview: CD61 Immunostain, Technical Component Only

Identification of micromegakaryocytes, cytologically abnormal megkaryocytes, and megakaryoblasts

CD57 - Overview: CD57 Immunostain, Technical Component Only

Marker of natural killer cells and a subset of follicular T helper cells Aiding in the identification of tumors of neuroectodermal origin

CD5 - Overview: CD5 Immunostain, Technical Component Only

Marker of T-cell lineage Phenotyping B-cell lymphomas

CD38 - Overview: CD38 Immunostain, Technical Component Only

Classification of lymphoproliferative and plasma cell proliferative disorders

CD23 - Overview: CD23 Immunostain, Technical Component Only

Identification of follicular dendritic cells Classification of low-grade B-cell lymphomas