Homocystine Quantitative, Urine
| CPT Code(s): | 82131 |
| Specimen Required: | Patient Preparation:Patients should abstain from vitamin C ingestion for 48 hours prior to specimen collection. Collect:24-hour urine. Specimen must be refrigerated during collection. Also acceptable: Random urine (reported as homocystine/creatinine ratios). Specimen Preparation:Mix well. Transfer 5 mL urine to RDL Standard Transport Tubes. (Min: 3 mL) Record total volume and collection time interval on transport tube and test request form. Storage/Transport Temperature:Frozen. Stability:Ambient: Unacceptable; Refrigerated: 24 hours; Frozen: 1 month |
| New York DOH Approval Status: | This test is New York DOH approved. |
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