ARUP's Laboratory Test Directory

Histamine, Urine : 0070038

Mnemonic: HIST-U

Methodology: Quantitative Enzyme Immunoassay
Performed: Tue, Sat
Reported: 1-6 days
Specimen Required: Collect: Random or 24-hour urine in a plastic container. Refrigerate during collection.

Specimen Preparation: Transfer a 4 mL aliquot from a well-mixed random or 24-hour collection to an ARUP Standard Transport Tube and freeze immediately. (Min: 1 mL) Record total volume and collection time interval on transport tube and test request form. Also acceptable: Specimens preserved with HCl, if frozen immediately.

Storage/Transport Temperature: CRITICAL FROZEN. Separate specimens must be submitted when multiple tests are ordered.

Unacceptable Conditions: Room temperature specimens.

Stability (collection to initiation of testing): Ambient: Unacceptable; Refrigerated: 24 hours; Frozen: 6 months
Reference Interval:
Effective February 21, 2012
Components Reference Interval
Histamine, Urine - ratio to CRT 0-450 nmol/g crt
Histamine, Urine, Excretion - 24h 0-60 µg/day

Interpretive Data:

See Compliance Statement D: www.aruplab.com/CS
Note: If 24-hour urine is submitted, the excretion will be calculated. If random urine is submitted, the result will be reported as Not applicable.
CPT Code(s): 83088