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Tryptophan
Blood

Tryptophan

Also known as: Trp, Serum Tryptophan
COMMON RANGE
21 – 108
µmol/L
12.3
117
M
Mayo Clinic Laboratories
Adult
↗
See all sources ↓
CONVERT & COMPARE
µmol/L
=
1.33
mg/dL
=
65
umol/L
=
65
mcmol/L

Reference ranges by source

Published adult intervals: 2, from 2 named sources, shown in µmol/L.
SOURCE
SEX
AGE
RANGE
VISUAL
CITE
M
Mayo Clinic Laboratories
All
≥18y
21 – 108 µmol/L
L
Labcorp
All
≥18y
23.5 – 93 µmol/L
M
Mayo Clinic Laboratories
All · ≥18y
↗
21 – 108 µmol/L
L
Labcorp
All · ≥18y
↗
23.5 – 93 µmol/L

Sources

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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