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Misc Ref Non-Blood Test Name Prompt: N-Methyl Histam
Submit 5 mL aliquot of 24 hour urine specimen with no preservative.
24 hour urine is preferred, random urine specimens are also acceptable.
CLS staff: collect specimen and transport to DSC Accession, who will forward specimen to Referrals.
Note to ordering physician: this test requires review and approval by CLS Medical & Scientific Staff. Please contact CLS Referrals 403-770-3285 for further information on the approval process.
|Specimen Handling||PSC & RRL: |
Transport on ice to DSC. Send specimen in a separate bag with a photocopy of the requisition.
Freeze prior to transport to DSC. Send specimen in a separate bag with a photocopy of the requisition.
|Additional Information||Patient should have no histamine-rich foods during the 24 hour collection period, including: alcohol (especially beer & wine), fermented foods (sauerkraut), chocolate, egg whites, strawberries, shellfish, tomatoes and citrus fruits.|
|Testing Frequency||Mayo Clinic|
|Alternate Name(s)||Histamine Metabolites|