Orderable Name FHI24 Histamine, 24-Hour Urine
Additional Codes
CNE Order Code: U24 Histamine
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)
Specimen Type
UrineSpecimen 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 |
Reference Values
0.006-0.131 mg/24 h
Day(s) Performed
Tuesday, Friday
Report Available
5 to 11 daysCPT Code Information
83088