Drugs & toxicology

Oxcarbazepine metabolite (MHD) unit converter

Active metabolite (10-hydroxycarbazepine) used to monitor oxcarbazepine therapy

Also known as: 10-hydroxycarbazepine, Licarbazepine, Monohydroxy derivative

Converter

Enter a value in any unit and all other units fill in.

µg/mL µmol/L mg/dL µg/dL

Worked example

19.5 µg/mL (middle of the reference range) = 76.7 µmol/L

Conversion formulas

µmol/L	µmol/L = µg/mL × 3.933	µg/mL = µmol/L × 0.2543
mg/dL	mg/dL = µg/mL × 0.1	µg/mL = mg/dL × 10
µg/dL	µg/dL = µg/mL × 100	µg/mL = µg/dL × 0.01

Reference range

Unit	Adults
µg/mL	3 – 36
µmol/L	11.8 – 141.6
mg/dL	0.3 – 3.6
µg/dL	300 – 3600

Source: Reference ranges for antiepileptic drugs revisited (ILAE ranges), Drug Des Devel Ther 2018 · Last reviewed: 2026-10-14

Note from the source: Licarbazepine (MHD, active metabolite of oxcarbazepine) 3-36 mg/L (12-139 µmol/L)

Frequently asked questions

How do I convert Oxcarbazepine metabolite (MHD) from µg/mL to mg/dL?

mg/dL = µg/mL × 0.1. In the other direction: µg/mL = mg/dL × 10.

What is the reference range of Oxcarbazepine metabolite (MHD)?

For adults the range is 3 – 36 µg/mL (Reference ranges for antiepileptic drugs revisited (ILAE ranges), Drug Des Devel Ther 2018). Reference ranges differ between laboratories and partly by sex and age; use the range printed on your lab report.

Which units are used for Oxcarbazepine metabolite (MHD)?

Common units are µg/mL, µmol/L, mg/dL, µg/dL.