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Epic Test Code LAB21055 Histamine, 24-Hour Urine

Additional Codes

MML:FHI24


Specimen Required


Patient Preparation: Avoid direct sunlight. Patient should refrain from taking allergy causing drugs, antihistamines, oral corticosteroids, and substances which block H2 receptors for at least 24 hours prior to specimen collection.

Specimen Type: Urine

Submission Container/Tube: Plastic, 10-mL tube (T068)

Specimen Volume: 4 mL

Collection Instructions:

1. Collect urine for 24 hours, with 10 mL 6N HCL preservative.

2. Avoid direct sunlight during the 24-hour collection.

3. Send specimen refrigerated in the plastic, 10-mL urine tube (T068).

4. Collection volume and duration are required.


Method Name

Immunoassay (IA)

Reporting Name

Histamine, 24-Hour U

Specimen Type

Urine

Specimen Minimum Volume

2 mL

Specimen Stability Information

Specimen Type Temperature Time Special Container
Urine Refrigerated (preferred) 14 days
  Frozen  14 days
  Ambient  48 hours

Reject Due To

Thawing** Warm < 48 hours OK; Cold OK
List other reasons for rejection Random Urine

Clinical Information

Histamine is a mediator of the allergic response. Histamine release causes itching, flushing, hives, vomiting, syncope, and even shock. In addition, some patients with gastric carcinoids may exhibit high concentrations of histamine.

Reference Values

0.006-0.131 mg/24 h

Day(s) Performed

Tuesday, Friday

Report Available

5 to 11 days

Performing Laboratory

Quest Diagnostics Nichols Institute

CPT Code Information

83088

NY State Approved

Yes