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5-Hydroxyindoleacetic Acid (24h Urine)
Urine
5-Hydroxyindoleacetic Acid (24h Urine)
Also known as: 5-HIAA, Urine 5-HIAA
COMMON RANGE
0 – 8
mg/24h
0
10.2
M
Mayo Clinic Laboratories
Adult Male
↗
See all sources ↓
CONVERT & COMPARE
mg/24h
=
4
µmol/24h
Reference ranges across 10+ sources
Adult reference ranges from 5 entries across 4 trusted sources, shown in mg/24h. Compare side-by-side.
SOURCE
SEX
AGE
RANGE
VISUAL
CITE
M
Mayo Clinic Laboratories
Male
≥18
0 – 8 mg/24h
↗
M
Mayo Clinic Laboratories
Female
≥18
0 – 7 mg/24h
↗
A
ARUP Laboratories
All
≥18
1.9 – 8.76 mg/24h
↗
Q
Quest Diagnostics
All
≥18
2.09 – 9.29 mg/24h
↗
L
Labcorp
All
≥18
2.08 – 9.07 mg/24h
↗
M
Mayo Clinic Laboratories
Male · ≥18
↗
0 – 8 mg/24h
M
Mayo Clinic Laboratories
Female · ≥18
↗
0 – 7 mg/24h
A
ARUP Laboratories
All · ≥18
↗
1.9 – 8.76 mg/24h
Q
Quest Diagnostics
All · ≥18
↗
2.09 – 9.29 mg/24h
L
Labcorp
All · ≥18
↗
2.08 – 9.07 mg/24h
Related biomarkers
Often tested alongside 5-hydroxyindoleacetic acid (24h urine) or part of the same panel.
Urine pH
Urine
Urine Protein
Urine
Urine Glucose
Urine
Urine Creatinine
Urine
Urine Albumin (Microalbumin)
Urine
Albumin-to-Creatinine Ratio (ACR)
Urine
Sources
M
Mayo Clinic Laboratories
A
ARUP Laboratories
Q
Quest Diagnostics
L
Labcorp
Last updated 2026-05-02
This page aggregates publicly available reference data and clinical information from Mayo Clinic Laboratories and other sources. For general wellness information only — not medical advice. For diagnosis or treatment of any condition, talk to a qualified clinician.
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