Days Set Up
Daily, 24 hours
Analytic Time

2 hour

MiChart Code
Carbamazepine Level, Total
Soft Order Code
CBZN

Test Updated:

Synonyms

CARBAMAZEPINE LEVEL
Tegretol
Carbatrol
CBZN
CARBAMAZEPINE

+ See More

Looking to order a test?

We’ve provided helpful links to make ordering easy.

Find a Requisition

All specimens should be accompanied by a requisition.

Submitting Specimens

Learn about how to properly label and where to ship specimens.

Order Kits and Supplies

MLabs provides all the supplies necessary for the collection of specimens.

Test FAQ

Visit our provider FAQ and learn about common questions to ordering tests.

Test Overview

Test Methodology

Kinetic Immunoassay (KIMS)

Test Usage

Monitor therapeutic drug level.

Reference Range

Therapeutic: 4-8 mcg/mL for multiple drug regimen, 8-12 mcg/mL for single drug regimen, Toxic: greater than 8 mcg/mL for multiple drug regimen, greater than 12 mcg/mL for single drug regimen.

* Reference ranges may change over time. Please refer to the original patient report when evaluating results.

Specimen Requirements

Collection Offsite

Collect blood in a red top tube. Centrifuge, aliquot serum into a plastic vial and refrigerate.

Red Top Tube
Normal Volume
0.5 mL serum
Minimum Volume
0.25 mL serum

Billing Information

CPT Code
80156
Pro Fee Code
 
LOINC
3432-2

Have More Questions?

Explore our helpful billing resources:

Our High Standard

Quality that sets us apart

As the reference laboratory division of Michigan Medicine's Department of Pathology, MLabs shares the institution's commitment to applying established quality principles to clinical laboratory testing. Like other large organizations in complex, consequential fields, we rely on an established approach to monitor quality throughout the testing process.

LEARN MORE