21242 Reconstruction of jaw joint
Also known as: TMJ arthroplasty, joint reconstruction
Reconstruction of the temporomandibular joint with arthroplasty, including resurfacing or shaping of joint surfaces.
In Plain Language
Reshaping the jaw joint; Jaw joint repair
Clinical Context
Used for TMJ arthrosis, condylar fractures, or persistent dysfunction. Focuses on joint surface restoration.
RVU Breakdown
| Work RVU | 14.23 |
| Total RVU | 14.23 |
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 14.23, this code ranks in the 71st percentile among Surgery codes — 1.8x the median (8.00). The highest wRVU in this category is 106.19.
Specialties
Frequently Asked Questions
What is CPT code 21242?
CPT 21242 (Reconstruction of jaw joint) is a Surgery code. Reconstruction of the temporomandibular joint with arthroplasty, including resurfacing or shaping of joint surfaces.
What is the wRVU value for CPT 21242?
The work RVU for CPT 21242 is 14.23. This code is primarily used by Oral Surgery, Maxillofacial Surgery. It has a 90-day global period.
When is CPT 21242 used?
Used for TMJ arthrosis, condylar fractures, or persistent dysfunction. Focuses on joint surface restoration.
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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.