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N-methylhistamine in 24 hour urine

Indications: - evaluation of anaphylaxis Clinical significance: - remains elevated in urine for many hours after anaphylaxis - reflects overall levels of released histamine Specimen: - 24 hour urine

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N-methylhistamine

General

N-methylhistamine in urine 24 hour urine

References

  1. Loinc
  2. ARUP Consult: Anaphylaxis The Physician's Guide to Laboratory Test Selection & Interpretation https://www.arupconsult.com/content/anaphylaxis