Test Directory

Test Code
CARB
Test Name
Carbamazepine, Total
CPT Codes
80156
Expected Turnaround Time
Same day
Clinical Utility

Carbamazepine is used for the treatment of partial seizures and tonic clonal seizures. It is also used for analgesia in trigeminal neuralgia.

Measurement of serum carbamazepine levels is used for monitoring therapy, determining compliance, and assessing toxicity.

Specimen and Container Info

Specimen

Container

Volume**

 

Serum

Red Top, Plain*

1 mL

Serum

Gold Top, Serum Separator

1 mL

Plasma

Dark Green Top (Lithium Heparin)

1 mL

Plasma

Light Green Top, Plasma Separator

1 mL

Plasma

Gray Top (Sodium Fluoride, Potassium Oxalate)

1 mL

Plasma

Lavender Top (EDTA)

1 mL

*Preferred Specimen

Processing and Submission Instructions
  1. Centrifuge specimens for 5 minutes at 3000 rpm.
  2. Transfer serum or plasma to a plastic aliquot tube.
Transport Instructions

Transport to the laboratory refrigerated.

Stability Requirements

Room Temperature

24 hours

Refrigerated

1 month

Frozen

3 months

Methodology
Enzyme Immunoassay (EIA)
Reference Intervals

Age Group

Reference Interval

Units

All Ages

4.0-12.0

µg/mL

Critical Values

Age Group

Critical Value

Units

All Ages

>= 20.1

µg/mL

Performing Location
Hazleton Hospital, Pocono Hospital, Redeemer Health, Roble Road Core Laboratory, Schuylkill Hospital
Alternate Names
  • Epitol
  • Equetro
  • Tegretol
Testing Schedule
Routine daily, STAT testing available