64451 Njx aa and/or strd nerve nrvtg si joint
Also known as: sacroiliac joint nerve block, sacroiliac joint block, superior cluneal nerve block
Nerve injection for anesthetic and/or steroid administration to a nerve branch supplying the sacroiliac joint with imaging guidance.
In Plain Language
sacroiliac joint nerve numbing injection; SI joint pain injection with imaging
Clinical Context
Used for sacroiliac joint pain, dysfunction, and arthritis. Imaging improves accuracy in targeting small nerve branches supplying the joint.
RVU Breakdown
| Work RVU | 1.48 |
| Total RVU | 1.48 |
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 1.48, this code ranks in the 9th percentile among Surgery codes — 5.4x below the median (8.00). The highest wRVU in this category is 106.19.
Specialties
Frequently Asked Questions
What is CPT code 64451?
CPT 64451 (Njx aa and/or strd nerve nrvtg si joint) is a Surgery code. Nerve injection for anesthetic and/or steroid administration to a nerve branch supplying the sacroiliac joint with imaging guidance.
What is the wRVU value for CPT 64451?
The work RVU for CPT 64451 is 1.48. This code is primarily used by Pain Management, Physiatry, Orthopedic Surgery.
When is CPT 64451 used?
Used for sacroiliac joint pain, dysfunction, and arthritis. Imaging improves accuracy in targeting small nerve branches supplying the joint.
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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.