- PHIAA
5-HIAA, Plasma
Specimen:
Test Code
PHIAA
Specimen Name
5-HIAA, Plasma
Collect
EDTA Plasma
Submit
0.5 mL
Special Handling
—
Rejection Criteria
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Stability
CRITICAL FROZEN
Methodology
—
Performed
Performed Varies - Reported 5-8 days
Reported
—
CPT Codes
- 83497
Components
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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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Test Information
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Common Lab Definitions
- Serum
- Plasma
- STT