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5-OH indoleacetic acid
5-OH indole acetic acid is a breakdown product of serotonin facilitated by MAO.
24 hour urine 5HIAA
Indications: rule out carcinoid syndrome
Reference interval: 2-8 mg/day (10-42 umol/dau(
Increases: malabsorption syndromes:
- celiac disease, Whipple's disease (up to 30 mg/day) carcinoid syndrome
- most cases > 100 mg/day
Interactions
molecular events
Related
indole metabolism
General
5-hydroxyindole
indoleacetic acid
phenol
Database Correlations
PUBCHEM cid=1826
References
- UpToDate 13.3
http://www.utdol.com