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Test ID BLOD0053 Oxcarbazepine Metabolite (MHC), Serum

Reporting Name

Oxcarbazepine Metabolite (MHC), S

Useful For

Monitoring serum concentration during oxcarbazepine therapy


Assessing compliance


Assessing potential toxicity

Performing Laboratory

Mayo Medical Laboratories in Rochester

Specimen Type

Serum Red

Specimen Required


Preferred: Red top

Specimen Volume: 1 mL

Collection Instructions:

1. Draw specimen immediately before next scheduled dose.

2. Spin down within 2 hours of draw.

Specimen Minimum Volume

0.5 mL

Specimen Stability Information

Specimen Type Temperature Time
Serum Red Refrigerated (preferred) 28 days
  Ambient  28 days
  Frozen  28 days

Reference Values

Oxcarbazepine metabolite: 3-35 mcg/mL

Day(s) and Time(s) Performed

Tuesday through Saturday; 12 a.m., Saturday; 1 p.m.

Test Classification

This test was developed and its performance characteristics determined by Mayo Clinic in a manner consistent with CLIA requirements. This test has not been cleared or approved by the U.S. Food and Drug Administration.

CPT Code Information


LOINC Code Information

Test ID Test Order Name Order LOINC Value
OMHC Oxcarbazepine Metabolite (MHC), S 31019-3


Result ID Test Result Name Result LOINC Value
81030 Oxcarbazepine Metabolite (MHC), S 31019-3

Reject Due To


Mild OK; Gross OK


Mild OK; Gross OK


Mild OK; Gross OK



Method Name

High-Turbulence Liquid Chromatography Mass Spectrometry (HTLC-MS/MS)


If not ordering electronically, complete, print, and send a Neurology Specialty Testing Client Test Request (T732) with the specimen (

Secondary ID