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Carbamazepine (Tegretol)

Tube Type = No Gel in Red Top Bullet

No Gel in Red Top Bullet

Tube Type

Test ID   LAB21
EPIC Order
   CARBAMAZEPINE LEVEL, TOTAL
CPT Code(s)   80156
Group/Individual Test   Individual
Laboratory   Core Laboratory
Tube Station   STAT: 888; Routine: 30
Specimen Routine: 2 mL blood/navy blue plain tube or red plain tube
  Micro: 0.75 mL blood/red Top (no gel); See Comments for additional specimen information
Availability 24/7
Turnaround Time   STAT: 1 hour; Routine: 2 hours
Reference Range Therapeutic: 4.0-12.0 µg/mL
  Critical: >15.0 µg/mL
Comments
  • Red top tubes must NOT contain Serum Separator Gel
  • Collection information: Trough samples should be used for routine monitoring; collect immediately before next dose.

Reviewed by J. Carr on January 05, 2026

UNC Hospitals
McLendon Clinical Laboratories
101 Manning Drive
Chapel Hill, NC 27514