Carbamazepine (Tegretol)

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: 2mL blood/royal blue top or plain red top (no gel)
  micro: 300 µL blood/red Top (no gel) ;  see Comments for additional specimen information
Stability

Unspun:

Spun/Separated:

<4 hours recommended

Room Temp: <8 hours
Refrigerated: 2 days
Frozen: 30 days

Availability 24 hrs/day
Turnaround Time   STAT: 1 hour; Routine: 2 hours
Reference Range Therapeutic: 4-12 µg/mL (trough, steady state)
  Toxic: >15 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 jcayless on January 06, 2022

Note: Reference ranges provided on this web site are for guidance only, and may not reflect the most recent changes. Refer to laboratory reports for current reference data.

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