N-Methylhistamine, 24-Hour Urine

Test Code

NMTHUR

Specimen Name

N-Methylhistamine, 24-Hour Urine

CPT Codes

  • 82542

Collect

Sterile Urine Cup

Stability

Refrigerated 28 days

Volume

5 mLs

Minimum Volume

3 mLs

Performed

Performed Varies - Reported 6-12 days

Components

Additional Information

Patient must not be taking monoamine oxidase inhibitors (MAOIs) or aminoguanidine as these medications increase N-methylhistamine (NMH) levels.

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Test Information

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Common Lab Definitions

  • Serum 
  • Plasma 
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