- OHSU Service Code:
- 067-6331
- CPT Codes:
- 83919
- Lab Section:
- Biochemical Genetics
- Specimen
Requirements:
- 2-6 mL aliquot of urine, preferably obtained during acidosis or after overnight fast; deliver within 2 hr on ice or freeze and transport frozen. MUST PROVIDE CLINICAL INDICATION AND COMPLETE LIST OF MEDICATIONS, ANTIBIOTICS, VITAMINS, SPECIFIC DIET OR FORMULA, ETC. If patient has intermittent symptoms, sample should be obtained when patient is symptomatic. For requisition slips.
- Pediatric Specimen
Requirements:
- 3 mL urine
- Comments:
- Indication: Performed on acutely ill neonates, or any patients with suspected or proven metabolic acidosis. Other indications include severe infections, intermittent coma, Reye syndrome, vomiting, failure to thrive, hypotonia, lethargy, hypoglycemia, athetosis, ataxia, myopathy or peculiar smell; also convulsions or cerebral palsy if combined with any of the above. May also be indicated if a positive test for ketones or ketoacids is obtained during amino acid / metabolic screen.
