FCDUD - Overview: Zolpidem, Umbilical Cord Tissue

Zolpidem, Umbilical Cord Tissue

FZOLP - Overview: Zolpidem (Ambien), serum or plasma

Zolpidem (Ambien), serum or plasma

MULT - Overview: Zygosity Testing (Multiple Births), Varies

Determining genetic risk for an individual whose twin or triplet is affected with a genetic disorder for which a specific genetic test is not available (or such testing is uninformative) Assessment of risks prenatally when one fetus of...

FZCCE - Overview: Zucchini (Cucurbita spp) IgE

Zucchini (Cucurbita spp) IgE

VLTBX - Overview: Volatile Screen, Chain of Custody, Blood

Detection and quantitation of acetone, methanol, isopropanol, and ethanol in whole blood Quantification of the concentration of ethanol in blood that correlates with the degree of intoxication Evaluation of toxicity to the measured...

VIP - Overview: Vasoactive Intestinal Polypeptide, Plasma

Detecting vasoactive intestinal polypeptide-producing tumors in patients with chronic diarrheal diseases

VITAE - Overview: Vitamin A and Vitamin E, Serum

Diagnosing vitamin A deficiency and toxicity Evaluating persons with intestinal malabsorption of lipids Monitoring of Vitamin E supplementation/treatment

VRERP - Overview: Vancomycin-Resistant Enterococcus, Molecular Detection, PCR, Varies

Identifying carriers of vancomycin-resistant enterococci

VH - Overview: Vanillylmandelic Acid and Homovanillic Acid, Random, Urine

Preferred first test for screening for catecholamine-secreting tumors in a random urine specimen when requesting both homovanillic acid and vanillylmandelic acid Supporting a diagnosis of neuroblastoma Monitoring patients with a treated...

VEGF - Overview: Vascular Endothelial Growth Factor, Plasma

Evaluation of patients with suspected POEMS (polyneuropathy, organomegaly, endocrinopathy, monoclonal gammopathy, and skin changes) syndrome, particularly in differentiating from other forms of polyneuropathy and/or monoclonal plasma cell...