80165 Dipropylacetic acid free
Also known as: valproic acid free level, free depakote level
Laboratory quantitative drug assay for dipropylacetic acid (valproic acid) free serum fraction for therapeutic drug monitoring.
In Plain Language
free valproic acid blood test; active seizure medication level
Clinical Context
Measures unbound valproic acid; particularly useful in patients with altered protein binding or hepatic/renal impairment.
RVU Information
CPT 80165 does not have a physician work RVU assigned by CMS. Reimbursement for this code is determined by payer-specific fee schedules.
Billing & Documentation
Lab and pathology codes require an order from the treating provider with clinical indication. For molecular pathology and genetic testing, document the specific analytes tested and clinical rationale.
How This Code Compares
This code has a work RVU of 0.00, meaning it does not have a physician work component assigned by CMS. In the Pathology & Lab category, 94% of codes share this characteristic.
Specialties
Frequently Asked Questions
What is CPT code 80165?
CPT 80165 (Dipropylacetic acid free) is a Pathology & Lab code. Laboratory quantitative drug assay for dipropylacetic acid (valproic acid) free serum fraction for therapeutic drug monitoring.
Who uses CPT code 80165?
CPT 80165 is used by Pathology, Neurology, Clinical Pharmacology. Measures unbound valproic acid; particularly useful in patients with altered protein binding or hepatic/renal impairment.
When is CPT 80165 used?
Measures unbound valproic acid; particularly useful in patients with altered protein binding or hepatic/renal impairment.
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CPT® is a registered trademark of the American Medical Association. Data sourced from CMS Physician Fee Schedule RVU26A. Descriptions, synonyms, and clinical context are original content by RVU Edge.