4 - 11 days
Test Updated:
HST-24
HISTAMINE, 24-HOUR, URINE
HST24
Histamine, 24-Hour Urine
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Test Overview
Immunoassay
Documentation of immediate hypersensitivity reactions or diagnosis of patients with systemic mastocytosis. Elevated values are seen in patients with anaphylaxis, with urticaria, or following provocative skin tests.
0.006 - 0.131 mg/24 hour
* Reference ranges may change over time. Please refer to the original patient report when evaluating results.