64646 Chemodenerv trunk muscle 1-5
Also known as: trunk chemodenervation limited muscles, botulinum toxin trunk
Chemodenervation of trunk muscles with administration of chemical agent to one to five muscles.
In Plain Language
chest/back muscle relaxation injection; trunk spasticity treatment
Clinical Context
Used for trunk spasticity affecting 1-5 muscles.
RVU Breakdown
| Work RVU | 1.76 |
| Total RVU | 1.76 |
Est. Medicare Payment
National estimate based on 2026 CMS PFS Conversion Factor ($33.40). Actual payment varies by locality (GPCI adjustment).
Billing & Documentation
As a surgical CPT code, proper documentation must include the operative report detailing the procedure performed, patient positioning, approach, findings, and any complications. This code has a 0-day global period, meaning pre- and post-operative E&M visits are billable separately on the same day. Ensure the diagnosis code (ICD-10) supports medical necessity for the procedure.
How This Code Compares
With a work RVU of 1.76, this code ranks in the 12th percentile among Surgery codes — 4.5x below the median (8.00). The highest wRVU in this category is 106.19.
Specialties
Frequently Asked Questions
What is CPT code 64646?
CPT 64646 (Chemodenerv trunk muscle 1-5) is a Surgery code. Chemodenervation of trunk muscles with administration of chemical agent to one to five muscles.
What is the wRVU value for CPT 64646?
The work RVU for CPT 64646 is 1.76. This code is primarily used by Neurology, Physiatry.
When is CPT 64646 used?
Used for trunk spasticity affecting 1-5 muscles.
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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.