64642 Chemodenerv 1 extremity 1-4
Also known as: extremity chemodenervation limited muscles, botulinum toxin one extremity
Chemodenervation of one extremity with administration of chemical agent to one to four muscles.
In Plain Language
arm/leg muscle relaxation injection limited; extremity spasticity treatment
Clinical Context
Used for spasticity in one arm or leg affecting 1-4 muscles.
RVU Breakdown
| Work RVU | 1.61 |
| Total RVU | 1.61 |
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 1.61, this code ranks in the 10th percentile among Surgery codes — 5.0x below the median (8.00). The highest wRVU in this category is 106.19.
Specialties
Frequently Asked Questions
What is CPT code 64642?
CPT 64642 (Chemodenerv 1 extremity 1-4) is a Surgery code. Chemodenervation of one extremity with administration of chemical agent to one to four muscles.
What is the wRVU value for CPT 64642?
The work RVU for CPT 64642 is 1.61. This code is primarily used by Neurology, Physiatry.
When is CPT 64642 used?
Used for spasticity in one arm or leg affecting 1-4 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.