Test Code CARBAM Carbamazepine, Total, Plasma or Serum

Additional Codes

LAB21

Used for therapeutic drug monitoring.

St. Mary's Regional Medical Center-Chemistry

CPT: 80156

Please submit only 1 of the following specimens:

Plasma

Container/Tube: Light-green top (lithium heparin) tube

Specimen: 1 mL of lithium heparin plasma

Transport Temperature: Ambient

Collection Instructions: Draw specimen (after steady state 2-4 weeks) prior to next dose.

Serum

Container/Tube: Plain, red-top tube

Specimen: 1 mL of serum

Transport Temperature: Ambient

Collection Instructions: Draw specimen (after steady state 2-4 weeks) prior to next dose.

Therapeutic range 4-12 mcg/mL

Therapeutic range if taking in conjunction with other anti-epileptic drugs is 4-8 mcg/mL

Call criteria (automatic call-back): >15 mcg/mL

Monday through Sunday

Available STAT