MyBloodTest

Biomarkers

Home

›

Biomarkers

›

Leucine

Blood

Leucine

Also known as: Leu, Serum Leucine

COMMON RANGE

79 – 217

µmol/L

232

Mayo Clinic Laboratories

Adult

↗

See all sources ↓

Reference ranges across 10+ sources

Adult reference ranges from 4 entries across 4 trusted sources, shown in µmol/L. Compare side-by-side.

SOURCE

SEX

AGE

RANGE

VISUAL

CITE

ARUP Laboratories

All

≥18

69.8 – 208 µmol/L

↗

Mayo Clinic Laboratories

All

≥18

79 – 217 µmol/L

↗

Quest Diagnostics

All

≥18

68.8 – 196 µmol/L

↗

Labcorp

All

≥18

71 – 192 µmol/L

↗

ARUP Laboratories

All · ≥18

↗

69.8 – 208 µmol/L

Mayo Clinic Laboratories

All · ≥18

↗

79 – 217 µmol/L

Quest Diagnostics

All · ≥18

↗

68.8 – 196 µmol/L

Labcorp

All · ≥18

↗

71 – 192 µmol/L

Related biomarkers

Often tested alongside leucine or part of the same panel.

White Blood Cells (WBC)

Blood

Red Blood Cells (RBC)

Blood

Hemoglobin (Hgb)

Blood

Hematocrit (Hct)

Blood

Platelets (PLT)

Blood

Mean Corpuscular Volume (MCV)

Blood

Sources

ARUP Laboratories

Mayo Clinic Laboratories

Quest Diagnostics

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.

Track your leucine in MyBloodTest

Instant lab report scanning, personalized wellness insights, automatic wellness app syncing. All in one app.

Download on the

App Store

Get it on

Google Play

Free · iOS · Android · Web

MyBloodTest