20661 Application halo cranial
Also known as: halo fixation, halo vest, cranial halo
Application of a halo device with cranial pins for cervical spine immobilization.
In Plain Language
rigid ring with pins around head to stabilize neck; halo brace with skull pins
Clinical Context
Used for cervical spine fractures, instability, and post-operative immobilization; provides external immobilization with moderate restriction of motion.
RVU Breakdown
| Work RVU | 5.13 |
| Total RVU | 5.13 |
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 90-day global period, which includes the day of the procedure, 1 day preoperative, and 90 days of postoperative care. Ensure the diagnosis code (ICD-10) supports medical necessity for the procedure.
How This Code Compares
With a work RVU of 5.13, this code ranks in the 35th percentile among Surgery codes — 1.6x below the median (8.00). The highest wRVU in this category is 106.19.
Specialties
Frequently Asked Questions
What is CPT code 20661?
CPT 20661 (Application halo cranial) is a Surgery code. Application of a halo device with cranial pins for cervical spine immobilization.
What is the wRVU value for CPT 20661?
The work RVU for CPT 20661 is 5.13. This code is primarily used by Orthopedic Surgery, Spine Surgery, Trauma Surgery. It has a 90-day global period.
When is CPT 20661 used?
Used for cervical spine fractures, instability, and post-operative immobilization; provides external immobilization with moderate restriction of motion.
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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.