Creatinine; Histamine
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Histamine, 24 hr Urine
Test ID: HISTA U
Test
Method
Immunoassay
Report Includes
Specimens
Urine (24 hr)
Clinical Utility
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.
Test Location
Quest Diagnostics, California USA
Test Version
15-Nov-2023
Specimen
Specimens
Urine (24 hr)
Collection Containers
Sterile Container
Sample Volume
4 mL
Minimum Volume
2 mL
Patient Preparation
Patient should avoid direct sunlight. 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 and during collection.
Collection & Handling
Collection Instructions
Collect with 10 mL 6N HCl or with no preservative.
Handling Information
Store and send cold or frozen.
Stability
| Ambient | 2 days |
|---|---|
| Refrigerated | 14 days |
| Frozen | 14 days |
Rejection Criteria
| Hemolysis | Moderate |
|---|
Test Version
15-Nov-2023
Performance / Interpretation
Method
Immunoassay
Turnaround Time
10 days
Results
| Name | Units | Reference Range | Conversion Factor | |
|---|---|---|---|---|
| Histamine | mg/d |
|
||
| Creatinine | g/d |
|
||
Test Location
Quest Diagnostics, California USA
Test Version
15-Nov-2023
Interface / Setup
HL7 Interface Codes
| Order Code | Result Codes | Units |
|---|---|---|
| HISTA U | 64479TOTAL VOLUME | mL |
| 38810HISTAMINE, 24 HR URINE | mg/24 h |
Test Version
15-Nov-2023