CARBAMAZEPINE

Mnemonic

TEGR

Synonym

Tegretol®

Specimen Collection Requirements

Collect

Serum or Plasma, one 5.0 mL gold (SST), 7.0 mL red or 3.0 mL mint green (lithium heparin, PST) top tube.

Recommended Collection Times:

Before next dose or

for peak: 2-3 hours post dose

Handling

Allow serum to clot completely at room temperature (minimum: 30 minutes). Centrifuge and separate serum or plasma from cells ASAP.

Preferred Volume

1.0 mL

Minimum Volume

0.5 mL

Transport

Refrigerated (2-8°C)

Rejection Criteria

Grossly hemolyzed specimens

Stability

AFTER SEPARATION FROM CELLS: Ambient (20-25°C): 5 days; Refrigerated (2-8°C): 5 days; Frozen (at or below -20°C): 6 months

Testing Information

Performed

7 days/week

Method

Enzymatic Immunoassay

Referral Lab

Samaritan Health Services Laboratories

Reference Values

Therapeutic Range

Single Drug Regimen: 6-12 µg/mL

Toxic Levels

Single Drug Regimen: 20 µg/mL

CPT Codes

80156

Last Updated: Thursday, January 5, 2017 03:42:01 AM