Histamine, Urine HISTU
| Method(s) | Quantitative Enzyme Immunoassay |
|---|---|
| Specimen Required | |
| Collect | Random or 24-hour urine. Refrigerate during collection. Urine must be collected in a plastic container. |
| Transport | 4 mL aliquot from a well-mixed random or 24-hour collection, frozen. (Min: 1 mL) |
| Stability | Ambient: Unacceptable; Refrigerated: 6 hours; Frozen: 6 months |
| Unacceptable Conditions | Room temperature specimens. |
| Schedule | Tue, Sat |
| Billing Code | 5010441 |
| CPTCode | 83088 |
| Notes | CRITICAL FROZEN. Separate samples must be submitted when multiple tests are ordered. Freeze immediately. Samples preserved with HCl are acceptable for this test if frozen immediately. Record total volume and collection time interval on transport tube and test request form. |
| Preferred Specimen Collection Device(s) | |
| Reference Interval | |
|
Histamine, Urine - ratio to CRT: 0 - 450 nmol/g crt Histamine, Urine, Excretion - 24 h: 0 - 60 µg/day |
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