Histamine
Label Mnemonic: HISTU
Epic Lab Code: LAB3322
Downtime Form: A-1a Miscellaneous Request
Commercial Mail-out Laboratory
5231 RCP
356-8593
Specimen(s):
Specimen Instructions:
Refrigerate during 24 hr collection in plastic container.
Collection Medium:
Urine - 24 hour/timed plastic urine container
Minimum:
Preferred Minimum: 4 mL urine from a 24 hr collection. Refrigerate during collection and submission to lab.
Absolute Minimum: 2 mL urine from a 24 hr collection. Refrigerate during collection and submission to lab.
Rejection Criteria:
Room temperature specimens.
Delivery Instructions:
Deliver to laboratory immediately after collection. Critical frozen. Keep refrigerated during collection and submission to lab. Separate specimens must be submitted when multiple tests are ordered.
Turn Around Time:
1-6 days upon receipt at reference laboratory
Reference Range:
Histamine, Urine - ratio to CRT 0-450 nmol/g crt Histamine, Urine, Excretion - 24h 0-60 μg/day
Interpretive Data:
If 24-hour urine is submitted, the excretion will be calculated. If random urine is submitted, the result will be reported as Not applicable.
Methodology:
Quantitative Enzyme Immunoassay
CPT Code:
83088