Carbamazepine, free

Alphabetical Test listing

Carbamazepine, free-1958

Test name:

Carbamazepine, free

Test number:

1958

Excellian order number:

80157.0

Abbreviation:

CAZ

Alternate names:

Carbatrol®
CBZ
Epitol®
Epoxide
Tegretol®

Useful for:

Therapeutic drug management

Specimen type:

Serum

Collection container:

Red serum vial/tube, 5 mL

Volume:

3.0 mL

Minimum volume:

1.0 mL

Processing instructions:

Allow sample to clot
Spin
Transfer serum to a Serum/plasma transfer vial/tube (MedTox), labelled as serum, within two (2) hours of sample collection

Transport container:

Serum/plasma transfer vial/tube (MedTox)

Alternate specimen type:

Heparin plasma

Alternate collection container:

Dk green heparin (Li or Na), no gel

Alternate collection instructions:

Immediately following collection, mix sample thoroughly by gently inverting 8 - 10 times to prevent clotting

Alternate processing instructions:

Spin
Transfer plasma to a Serum/plasma transfer vial/tube (MedTox), labelled as the appropriate plasma type, within two (2) hours of sample collection

Transport and stability:

Refrigerated (preferred)

Ambient - 3 days

Frozen (OK)

Reason for rejection:

Gel barrier tubes

Performing lab:

MedTox Laboratories (20): R-MX

Days set up:

Daily

TAT:

1 - 2 days

Method:

Immunoassay (IA) and Ultrafiltration

Reference ranges:

0.6 - 4.2 µg/mL

Results that require action (critical):

>8.4 µg/mL

CPT codes:

80157

Date created:

11/30/2001

Revised date:

07/12/2023

Review date:

07/12/2023