63621 Srs spinal lesion additional
Also known as: additional spinal radiosurgery session, multi-session radiosurgery
Stereotactic radiosurgery of spinal lesion, each additional session. Add-on code for additional radiosurgery sessions beyond the initial treatment.
In Plain Language
additional radiation treatment session
Clinical Context
Applied when spinal radiosurgery requires multiple treatment sessions for optimal lesion control.
RVU Breakdown
| Work RVU | 3.90 |
| Total RVU | 3.90 |
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. Ensure the diagnosis code (ICD-10) supports medical necessity for the procedure.
How This Code Compares
With a work RVU of 3.90, this code ranks in the 27th percentile among Surgery codes — 2.1x below the median (8.00). The highest wRVU in this category is 106.19.
Specialties
Frequently Asked Questions
What is CPT code 63621?
CPT 63621 (Srs spinal lesion additional) is a Surgery code. Stereotactic radiosurgery of spinal lesion, each additional session. Add-on code for additional radiosurgery sessions beyond the initial treatment.
What is the wRVU value for CPT 63621?
The work RVU for CPT 63621 is 3.90. This code is primarily used by Neurosurgery, Radiation Oncology.
When is CPT 63621 used?
Applied when spinal radiosurgery requires multiple treatment sessions for optimal lesion control.
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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.