Carbamazepine

Overview
Department	Biochemistry
Test Code	CARB
Synonyms	Tegretol Teril Carb
Availability	Monday - Sunday, testing routinely available out of hours
Turnaround Time	1 – 2 hours
Stability – Add test	2 days
Specimen Requirements
Patient Preparation	A trough sample should be collected (i.e. taken immediately before the next dose is due) Please supply last dose information if available (time, date, and dosage amount)
Specimen	Plasma Serum
Preferred	Li-Hep Green-Top tube
Acceptable	Plain Red-Top or Yellow-Top tube
Unacceptable
Specimen Transportation
Paediatric Requirements	0.6 mL Li-Hep Green Microtainer
Aliquot Requirements
Sample	Serum Li-Hep Plasma
Preferred Volume	0.5 mL
Minimum Volume
Aliquot Transportation
Clinical Information
Reference Intervals	Therapeutic range: 16- 50 umol/L
Test Method	Abbott Alinity c series analyser using Abbott reagents.
Advanced Notice
Comments
Specimens should preferably be collected immediately pre dose. Please supply last dose information if available (time, date, and dosage amount)

Owner	Clair Crossley (Crossley1)
Last reviewed	23.09.2026
Next review	23.09.2027 (OK)