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Methodology: Varies
Edit Date: 11/8/2010
Components: Cystine Screen / Homocystine Screen / Metabolic Screen / Mucopolysaccharide Screen / Tyrosine Metabolites, Qualitative
Performed: Tuesday, Thursday
Released: 10-14 days after setup at PeaceHealth Laboratories’ reference lab.
CPT Code: 81002-90 / 82128-90 x2 / 82615-90 / 83866-90
Specimen Collection Details
Collection: First morning urine sample into clean, dry plastic container. Also acceptable: Random urine or aliquot of 24-hour urine.
Handling: Freeze specimen within 4 hours of collection. List clinical indications, medications and diagnosis.
Standard Volume: 10 mL urine.
Minimum Volume: 6 mL urine.
Transport: Frozen on dry ice.
Comments: This is the preferred test for initial screening for inborn errors of metabolism since it covers a wide range of abnormalities. Indication/description: Includes Ketoacids, Ketones, Sulfur Aminoacids, Mucopolysaccharides, Urobilinogen, Porphobilinogen, Bilirubin, Glucose, Protein, and Reducing Substances.
Rejection Criteria: Thawing.

PeaceHealth Laboratories