64644 Chemodenerv 1 extremity 5/> mus
Also known as: extremity chemodenervation extensive muscles, botulinum toxin multiple extremity muscles
Chemodenervation of one extremity with administration of chemical agent to five or more muscles.
In Plain Language
arm/leg extensive muscle relaxation injection
Clinical Context
Used for severe spasticity in one extremity affecting five or more muscles.
RVU Breakdown
| Work RVU | 1.77 |
| Total RVU | 1.77 |
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 1.77, 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 64644?
CPT 64644 (Chemodenerv 1 extremity 5/> mus) is a Surgery code. Chemodenervation of one extremity with administration of chemical agent to five or more muscles.
What is the wRVU value for CPT 64644?
The work RVU for CPT 64644 is 1.77. This code is primarily used by Neurology, Physiatry.
When is CPT 64644 used?
Used for severe spasticity in one extremity affecting five or more 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.