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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 – 15

mg/24h

0

16.5

A

ARUP Laboratories

Adult

See all sources ↓

CONVERT & COMPARE

mg/24h

=

41.8

µmol/24h

Reference ranges by source

Published adult intervals: 14, from 3 named sources, shown in mg/24h.

SOURCE

SEX

AGE

RANGE

VISUAL

CITE

A

ARUP Laboratories

All

≥18y

0 – 15 mg/24h

M

Mayo Clinic Laboratories

Female

18y–30y

≤6.3 mg/24h

M

Mayo Clinic Laboratories

Female

30y–40y

≤6.5 mg/24h

M

Mayo Clinic Laboratories

Female

40y–50y

≤7.4 mg/24h

M

Mayo Clinic Laboratories

Female

50y–60y

≤8.3 mg/24h

M

Mayo Clinic Laboratories

Female

60y–70y

≤8.4 mg/24h

M

Mayo Clinic Laboratories

Female

≥70y

≤8.7 mg/24h

M

Mayo Clinic Laboratories

Male

18y–30y

≤7.1 mg/24h

M

Mayo Clinic Laboratories

Male

30y–40y

≤8.2 mg/24h

M

Mayo Clinic Laboratories

Male

40y–50y

≤8.6 mg/24h

M

Mayo Clinic Laboratories

Male

50y–60y

≤9.8 mg/24h

M

Mayo Clinic Laboratories

Male

60y–70y

≤10 mg/24h

M

Mayo Clinic Laboratories

Male

≥70y

≤10.2 mg/24h

L

Labcorp

All

≥18y

0 – 15 mg/24h

A

ARUP Laboratories

All · ≥18y

0 – 15 mg/24h

M

Mayo Clinic Laboratories

Female · 18y–30y

≤6.3 mg/24h

M

Mayo Clinic Laboratories

Female · 30y–40y

≤6.5 mg/24h

M

Mayo Clinic Laboratories

Female · 40y–50y

≤7.4 mg/24h

M

Mayo Clinic Laboratories

Female · 50y–60y

≤8.3 mg/24h

M

Mayo Clinic Laboratories

Female · 60y–70y

≤8.4 mg/24h

M

Mayo Clinic Laboratories

Female · ≥70y

≤8.7 mg/24h

M

Mayo Clinic Laboratories

Male · 18y–30y

≤7.1 mg/24h

M

Mayo Clinic Laboratories

Male · 30y–40y

≤8.2 mg/24h

M

Mayo Clinic Laboratories

Male · 40y–50y

≤8.6 mg/24h

M

Mayo Clinic Laboratories

Male · 50y–60y

≤9.8 mg/24h

M

Mayo Clinic Laboratories

Male · 60y–70y

≤10 mg/24h

M

Mayo Clinic Laboratories

Male · ≥70y

≤10.2 mg/24h

L

Labcorp

All · ≥18y

0 – 15 mg/24h

Related biomarkers

More tests in the urine category.

Urine Creatinine

Albumin-to-Creatinine Ratio (ACR)

Urine Specific Gravity

24h Urine Protein

24h Urine Calcium

Sources

ARUP Laboratories

Mayo Clinic Laboratories

Last updated 2026-05-02

This page presents source-specific reference data and sourced explanations. For general wellness information only. This is not medical advice. For diagnosis or treatment of any condition, talk to a qualified clinician.

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