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

Lab Personnel

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