CARBTF
Carbamazepine, Free and Total
EPIC Test Procedure Code: LAB3385
Synonyms:
Tegretol
Performing Lab:
Referral Laboratory
Required Patient Info:
9/13/2024: Test currently down at Labcorp. Ref Lab will change order to Mayo Misc.
Container Type:
Plain red top tube
Specimen Type:
Serum or plasma
Preferred Volume:
2 mL
Minimum Volume:
1 mL
Collection Procedure:
Draw just prior to the next dose.
Specimen Processing:
Transfer the serum or plasma to a plastic transport tube within 2 hours of collection.
Store and Transport:
Refrigerated
Stability:
- Room Temperature: 48 hours
- Refrigerated: 7 days
- Frozen: 28 days
Unacceptable Condition:
Gel tubes are not acceptable.
Gross hemolysis
CPT Codes:
80157 - Carbamazepine Free (EAP 30040386)
80156 - Carbamazepine Total (EAP 30040385)
Method:
TOTAL: Immunoassay
FREE: Ultrafiltrate assay by immunoassay
FREE: Ultrafiltrate assay by immunoassay