PCANH - Overview: Pecan Hickory, IgE, Serum

Establishing a diagnosis of an allergy to pecan hickory Defining the allergen responsible for eliciting signs and symptoms Identifying allergens: -Responsible for allergic response and/or anaphylactic episode -To confirm sensitization...

HPP - Overview: Pancreatic Polypeptide, Plasma

Detecting pancreatic endocrine tumors Assessing vagal nerve function after meal or sham feeding

PIPU - Overview: Pipecolic Acid, Random, Urine

Differentiating between disorders of peroxisomal biogenesis (eg, Zellweger syndrome) and disorders with loss of a single peroxisomal function Detecting abnormal elevations of pipecolic acid in urine

PCPX - Overview: Phencyclidine Confirmation, Chain of Custody, Random, Urine

Detection of drug abuse involving phencyclidine (street names: angel dust, hog, or angel hair) in urine specimens handled through the chain-of-custody process Chain of custody is required whenever the results of testing could be used in a...

PTHFN - Overview: Parathyroid Hormone, Fine-Needle Aspiration Biopsy (FNAB)-Needle Wash

Discriminating thyroid tissue from enlarged parathyroid glands Facilitating parathyroid localization prior to surgery An adjunct to cytology examination of fine-needle aspiration specimens to confirm or exclude presence of parathyroid...

PKU - Overview: Phenylalanine and Tyrosine, Plasma

Monitoring effectiveness of dietary therapy in patients with hyperphenylalaninemia

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

PARVN - Overview: Parvovirus B19 Antibody, Technical Interpretation

Interpretation of serologic testing for recent or past parvovirus B19 infection This test is not useful as a screening procedure for the general population

PARVM - Overview: Parvovirus B19 Antibody, IgM, Serum

Serologic detection of recent or past parvovirus B19 infection using IgM antibodies This test is not useful as a screening procedure for the general population.

PANOX - Overview: Pain Clinic Survey 10, Chain of Custody, Random, Urine

Detecting drug use involving amphetamines, barbiturates, benzodiazepines, cocaine, methadone, opiates, phencyclidine, and tetrahydrocannabinol This chain-of-custody test is intended to be used in a setting where the test results can be...