Peak serum levels are recommended when monitoring patients because the level in the blood drops so rapidly that many negative results are found at the trough. The peak occurs at 3 to 4 hours post dose.
The CPT Codes provided in this document are based on AMA
Guidelines and are for informational purposes only. NMS Labs
Does not assume responsibility for billing errors due to
Reliance on the CPT Codes listed in this document.
*The information contained in this document represents database configurations, as they will appear on the effective date listed above.