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Histamine, Urine with Creatinine [4946X]
Test CodeS51638
CPT Codes
83088
Includes
Creatinine
Preferred Specimen
4 mL 24-hour urine from a 24-hour collection containing 10 mL 6N HCl
Patient Preparation
Avoid taking allergy causing drugs, antihistamines, oral corticosteroids and substances which block H2 receptors 24 hours prior to collection. 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.
Minimum Volume
2 mL
Instructions
Record Total Volume on requisition. Avoid direct sunlight.
Specimen Stability
Room temperature: 48 hours
Refrigerated: 14 days
Frozen: 14 days
Refrigerated: 14 days
Frozen: 14 days
Methodology
Immunoassay (IA)
FDA Status
This test was performed using a kit that has not been cleared or approved by the FDA. The analytical performance characteristics of this test have been determined by Quest Diagnostics Nichols Institute. This test should not be used for diagnosis without confirmation by other medically established means.
Setup Schedule
Tues, Fri
Report Available
7 to 10 days
Clinical Significance
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.
