Home


CARBG-M
CARBAMAZAPINE-10, 11-EPOXIDE, SERUM

Test Code CARBG-M 
Test CARBAMAZAPINE-10, 11-EPOXIDE, SERUM 
Methodology CARTA: Immunoassay
1011E: High-Performance Liquid Chromatography (HPLC) 
Description Includes carbamazepine, total

Useful for monitoring patients exhibiting symptoms of carbamazepine toxicity whose serum carbamazepine concentration is within the therapeutic range but who may be producing significant levels of the active metabolite epoxide. 

Specimen Draw blood in a plain red-top tube(s). 12 hours (trough value)
after last dose. Spin down and send 2 mL (minimum 1mL) of serum refrigerated. 
Reference Values CARBAMAZEPINE, TOTAL
Therapeutic: 4.0-12.0 mcg/mL
Critical value: > or =15.0 mcg/mL

CARBAMAZEPINE-10,11-EPOXIDE
Therapeutic concentration: 0.4-4.0 mcg/mL
Toxic concentration: > or =8.0 mcg/mL 
Analytic Time 1 Day 
Day(s) Test Set Up CARTA: Monday through Sunday, 1011E Wednesday 
CPT Code(s) 80156  Carbamazepine total
80299  Carbamazepine-10, 11-epoxide