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Lamotrigine

Blood

Lamotrigine

Also known as: Lamictal Level, LTG

COMMON RANGE

3 – 15

µg/mL

1.8

16.2

M

Mayo Clinic Laboratories

Adult

See all sources ↓

CONVERT & COMPARE

µg/mL

=

35.1

µmol/L

=

9

mcg/mL

=

9

ug/mL

=

35.1

umol/L

=

35.1

mcmol/L

Reference ranges by source

Published adult intervals: 2, from 2 named sources, shown in µg/mL.

SOURCE

SEX

AGE

RANGE

VISUAL

CITE

A

ARUP Laboratories

All

≥18y

3 – 15 µg/mL

M

Mayo Clinic Laboratories

All

≥18y

3 – 15 µg/mL

A

ARUP Laboratories

All · ≥18y

3 – 15 µg/mL

M

Mayo Clinic Laboratories

All · ≥18y

3 – 15 µg/mL

Related biomarkers

More tests in the blood category.

White Blood Cells (WBC)

Red Blood Cells (RBC)

Hemoglobin (Hgb)

Hematocrit (Hct)

Platelets (PLT)

Mean Corpuscular Volume (MCV)

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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