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HelpTest Code LAB21 CARBAMAZEPINE TOTAL - (Tegretol)
Additional Codes
CPT Code: 80156
Methodology
Note: For carbamazepine, order ACARB or for Tegretol, order TEG.
Performing Laboratory
Peninsula Regional Medical Center - Chemistry
Specimen Requirements
Submit only 1 of the following specimens:
Plasma
Draw blood in a green-top (lithium heparin) tube.
(Hemolyzed specimen is not acceptable.) Spin down
and send 2 mL of lithium heparin plasma.
Note: 1. Indicate plasma.
2. Label specimen appropriately (plasma).
Serum
Draw blood in a gold-top serum gel tube. (Hemolyzed
specimen is not acceptable.) Spin down and send 2 mL of
serum.
Note: 1. Indicate serum.
2. Label specimen appropriately (serum).
Reference Values
Therapeutic concentration: 8.0-12.0 mcg/mL
Toxic concentration (automatic call-back): >15.0 mcg/mL
Additional Information
Available STAT