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CARBAMAZEPINE LEVEL, TOTAL

Message
In a patient on a regular medication regimen, the sample should be drawn immediately prior to next carbamazepine Dose. Collect a full tube, following standard venipuncture techniques.


Test Code
LAB21 CARBA


Alias/See Also
CARBA


CPT Codes
80156

Instructions
Processing Instructions (Lab use only): Centrifuge and separate cells after clot formation and within 4 hours of collection. Minimum Testing Volume: 0.3mL Serum Transport Temperature: Refrigerated Stability: Ambient: 2 daysRefrigerated : 7 daysFrozen: 1 Month Causes for Rejection: Unlabeled, mislabeled, wrong tube type, hemolyzed, QNS, exceeds specimen stability requirements.


Clinical Significance
1230130006



Last Updated: May 18, 2026


The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.