22840 Insert spine fixation device
Also known as: Interspinous device, Spacer device, posterior spinal instrumentation, pedicle screws
Posterior non-segmental instrumentation (eg, spinous process fixation, interspinous process device); cervical spine.
In Plain Language
Spacer between back bones; Non-fusion back stability device
Clinical Context
Used for cervical spondylotic myelopathy or stenosis; interspinous devices provide neural decompression without fusion.
RVU Breakdown
| Work RVU | 12.21 |
| Total RVU | 12.21 |
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 12.21, this code ranks in the 65th percentile among Surgery codes — 1.5x the median (8.00). The highest wRVU in this category is 106.19.
Specialties
Frequently Asked Questions
What is CPT code 22840?
CPT 22840 (Insert spine fixation device) is a Surgery code. Posterior non-segmental instrumentation (eg, spinous process fixation, interspinous process device); cervical spine.
What is the wRVU value for CPT 22840?
The work RVU for CPT 22840 is 12.21. This code is primarily used by Spine Surgery, Orthopedic Surgery, Neurosurgery.
When is CPT 22840 used?
Used for cervical spondylotic myelopathy or stenosis; interspinous devices provide neural decompression without fusion.
Track This Code in RVU Edge
Log procedures, calculate wRVUs, and benchmark against MGMA data — all in one app.
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.