- Test Name
- N-Methylhistamine, Urine
- Aliases
- Histamine Metabolites, Urinary N-Methylhistamine
- Provincial Mnemonic
- NMHCU24H
- LOINC Test Code
- 44340-8
- Description and Primary Use
- Screening for and monitoring of mastocytosis and disorders of systemic mast-cell activation, such as anaphylaxis and other forms of severe systemic allergic reactions.
- Reorder interval
- N/A
- TAT
- 7 Days
- Test Cost
- $223.12
- Tier
- 2 - Conditional/Restricted Access (See Ordering Requirements)
- Ordering Requirements (Restrictions / Conditions)
Approval requires test order:
1) by Allergist/Immunologist; or
2) Completed LTSA Form.
Enter test name (and/or Provincial Mnemonic) into Test(s) to be performed section on the LTSA Form. Direct questions on how to order test to Specimen Dispatch (709-777-2373).
- Required Consultations
- Contact the Biochemist-on-Call at (709-697-2306)
- Algorithms and Guidelines
N/A
- Special Patient Preparation
None
- Special Collection / Transport / Processing Requirements
Collect urine for 24 hours. No preservative. Random Urine acceptable but 24 hr prefered.
- Criteria for Rejection
Please see Special Collection/Transport/Processing requirements reject if these are not met.
- Laboratory Service Area
- Clinical Chemistry
- Performing Laboratory / Site
- Referred out of province
- Last Updated
- 28-May-19