- PHIAA
5-HIAA, Plasma
Test Code
PHIAA
Specimen Name
5-HIAA, Plasma
CPT Codes
- 83497
Collect
EDTA Plasma
Stability
CRITICAL FROZEN
Volume
0.5 mL
Minimum Volume
0.2 mL
Performed
Performed Varies - Reported 5-8 days
Components
—
Additional Information
If clinically feasible, discontinue acetaminophen and tryptophan containing supplements at least 48 hours prior to specimen collection. The patient should abstain from eating nuts, especially walnuts, and limit fruits, vegetables, and caffeinated beverages or foods to one serving per day in the 24 hours prior to specimen collection.
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Common Lab Definitions
- Serum
- Plasma
- STT