64640 Injection treatment of nerve
Also known as: peripheral nerve neurolytic injection, chemical neurolysis peripheral nerve
Injection of chemical agent for treatment of peripheral nerve pain or destruction without specific nerve identified.
In Plain Language
peripheral nerve pain chemical treatment
Clinical Context
Used for intractable peripheral neuropathic pain.
RVU Breakdown
| Work RVU | 1.93 |
| Total RVU | 1.93 |
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 10-day global period — follow-up visits within 10 days of the procedure are included in the reimbursement. Ensure the diagnosis code (ICD-10) supports medical necessity for the procedure.
How This Code Compares
With a work RVU of 1.93, this code ranks in the 13th percentile among Surgery codes — 4.1x below the median (8.00). The highest wRVU in this category is 106.19.
Specialties
Frequently Asked Questions
What is CPT code 64640?
CPT 64640 (Injection treatment of nerve) is a Surgery code. Injection of chemical agent for treatment of peripheral nerve pain or destruction without specific nerve identified.
What is the wRVU value for CPT 64640?
The work RVU for CPT 64640 is 1.93. This code is primarily used by Pain Management. It has a 10-day global period.
When is CPT 64640 used?
Used for intractable peripheral neuropathic pain.
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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.