Histamine, Urine

Test Name
Histamine, Urine
Aliases
Provincial Mnemonic
HISU24HD
LOINC Test Code
25439-1, 9410-2
Description and Primary Use
Used to confirm anaphylaxis. Histamine peaks within 5 min of onset and returns to normal by 1h. Acceptable samples are drawn within 1h of onset of symptoms.
Reorder interval
N/A
TAT
5 Days
Test Cost
$52.00
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
N/A
Algorithms and Guidelines

N/A

Special Patient Preparation

Restrict histamine-rich foods (cheese, wine, red meats, spinach and tomatoes), allergy causing drugs, antihistamines, oral corticosteroids, and substances which block H2 receptors for at least 24 hours prior to collection and during collection.

Special Collection / Transport / Processing Requirements

Collect 24-hr urine with 10 mL 6N HCl or with no preservative. Freeze aliqoit of specimen. 14 day stability frozen.

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
27-May-19