Test Details Use Follow-up evaluation in individuals with hyperhomocysteinemia Methodology Polymerase chain reaction (PCR) and restriction enzyme analysis
Test Details Use Detect and confirm presence of prescribed and illicit drugs Methodology Initial testing by immunoassay (IA); confirmation of positive by mass spectrometry (MS)
Test Details Use Detect and confirm presence of prescribed and illicit drugs Methodology Initial testing by immunoassay (IA); confirmation of positive by mass spectrometry (MS)
Additional Information Plasma or serum NEFA is the portion of the total fatty acid pool that circulates in immediate readiness for metabolic needs. NEFA can…
T Test Details Use Establish the diagnosis of parasitic infestation Limitations One negative result does not rule out the possibility of parasitic infestation. Stool examination…
Test Details Use Differential diagnosis of acute or recent infection from past infection with human parvovirus associated with erythema infectiosum (fifth disease), aplastic crisis, and…
Test Details Limitations This test was developed and its performance characteristics determined by LabCorp. It has not been cleared or approved by the Food and…
Test Details Additional Information Progesterone is a steroid hormone with a molecular weight of 314.5 daltons.2 Progesterone is mainly formed in the cells of the corpus…
Test Details Use First test for work-up of galactorrhea (inappropriate lactation). Pituitary function test useful in the detection of prolactin-secreting pituitary tumors (microadenomas, macroadenomas) with…
Test Details Use Prostate-specific antigen (PSA) is a glycoprotein produced by the epithelial cells lining the prostatic ducts and acini. Normally, it is secreted into…
Test Details Use Evaluation of the extrinsic coagulation system; aid in screening for congenital and acquired deficiencies of factors II, V, VII, X, and fibrinogen.6-8 This…
Test Details Limitations This test was developed and its performance characteristics determined by LabCorp. It has not been cleared or approved by the Food and…
Test Details Use Help in the differential diagnosis and prognosis of arthritic disorders Limitations Markedly lipemic or contaminated specimens may yield false-positive results.