- PHIAA
5-HIAA, Plasma (RPS)
Test Code
PHIAA
Specimen Name
5-HIAA, Plasma (RPS)
CPT Codes
- 83497
Collect
Frozen (1), Plasma (1)
Stability
Frozen
Volume
0.5 mL
Minimum Volume
0.2 mL
Performed
Performed varies / Reported 5-8 days
Additional Information
ARUP # 3016920 Test is not performed at ARUP; separate specimens must be submitted when multiple tests are ordered. _x000D_
_x000D_
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 48 hours prior to specimen collection. _x000D_
_x000D_
Performed at InterScience Institute, Inglewood, CA. _x000D_
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Common Lab Definitions
- Serum
- Plasma
- STT