Immunoassay
Histamine
Urine
Patient Preparation: Avoid taking allergy causing drugs, antihistamines, oral corticosteroids, and substances which block H2 receptors for at least 24 hours prior to specimen collection. Avoid direct sunlight during the collection.
Specimen Type: Urine
Submission Container/Tube: Plastic, 10-mL tube (T068)
Specimen Volume: 4 mL
Collection Instructions: Submit only 1 of the following:
-Collect 24-hour urine with 10 mL 6N HCL. (Preferred)
-Collect 24-hour urine without preservative.
1. Collect urine for 24 hours, either with 10 mL 6N HCL preservative (preferred), or with no 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
2 mL
Hemolysis | NA |
Lipemia | NA |
Icterus | NA |
Other | Random Urine |
Specimen Type | Temperature | Time | Special Container |
---|---|---|---|
Urine | Refrigerated (preferred) | 14 days | |
Frozen | 14 days | ||
Ambient | 48 hours |
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.
Histamine, 24-hour Urine: 0.006 – 0.131 mg/24 h
Creatinine, 24-Hour Urine
Age (Years) g/24 hours
3-8 0.11 - 0.68
9-12 0.17 - 1.41
13-17 0.29 - 1.87
Adults 0.63 - 2.50
Tuesday, Friday
This test was performed using a kit that has not been approved or cleared by the FDA. The analytical performance characteristics of this test have been determined by Quest Diagnostics Nichols Institute, San Juan Capistrano. This test should not be used for diagnosis without confirmation by other medically established means.
83088
Test Id | Test Order Name | Order LOINC Value |
---|---|---|
FH24U | Histamine, 24-Hour U | 9410-2 |
Result Id | Test Result Name |
Result LOINC Value
Applies only to results expressed in units of measure originally reported by the performing laboratory. These values do not apply to results that are converted to other units of measure.
|
---|---|---|
Z3686 | Total Volume | 3167-4 |
Z3693 | Histamine, 24 hr Urine | 9410-2 |
Z3694 | Creatinine, 24-Hour Urine | 2162-6 |