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Test Code TEG CARBAMAZEPINE LEVEL

Performing Laboratory

NorDx Laboratories

Useful For

Monitoring the dosage of Carbamazapine (Tegretol®)

Clinical Significance

Controlling partial seizures with both temporal lobe and psychomotor symptoms, for generalized tonic-clonic seizures, and for analgesia of trigeminal neuralgia.

Method Name

Immunoassay (IA)

Reference Values

Therapeutic concentration: 4.0-12.0 ug/mL

Toxic concentration: >15.0 ug/mL

Days and Times Test Performed

Monday through Sunday

Report Available

1 Day

Available Stat

Specimen Type

Submit one of the following:

~ Plasma (Maine Medical Center Only)

~ Serum

Preferred Container

Plasma Separator Tube (PST) (Maine Medical Center Only)

Serum Separator Tube (SST)

Preferred Volume

Plasma: 0.5 mL (Plasma Separator Tube (PST)) (Maine Medical Center Only)

Serum: 0.5 mL (Serum Separator Tube (SST))

Minimum Volume

Plasma: 0.3 mL (Plasma Separator Tube (PST))

Serum: 0.3 mL (Serum Separator Tube (SST))

Specimen Collection and Handling

Spin specimen, separate from clot and send refrigerated.

Specimen Stability Information

Specimen Type: Plasma

Frozen: 3 Months

Refrigerated: 2 Days

Must be spun/separated within: 2 Hours

Note: Freeze at -20 C for long term storage

Specimen Type: Serum

Frozen: 3 Months

Refrigerated: 2 Days

Must be spun/separated within: 2 Hours

Note: Freeze at -20 C for long term storage

Add On Capable

Yes

Advance Beneficiary Notice Requirements

No ABN Required

CPT Code Information

CPT Code

CPT Description

CPT Disclaimer

80156 Drug Assay Carbamazepine, Total

Acceptable Alternative Container(s)

Red Top Tube

LOINC Code Information

3432-2

Keywords

TEGRETOL® (CARBAMAZEPINE)

TDM

THERAPEUTIC DRUG MONITORING

Performing Laboratory Location

NorDx Laboratories