21243 Reconstruction of jaw joint
Also known as: TMJ reconstruction with graft, costochondral TMJ reconstruction
Reconstruction of the temporomandibular joint with costochondral graft, using rib cartilage to restore joint structure and function.
In Plain Language
Jaw joint reconstruction with rib cartilage
Clinical Context
Used for TMJ ankylosis, severe condylar loss, or significant joint destruction. Provides growth potential in children.
RVU Breakdown
| Work RVU | 23.92 |
| Total RVU | 23.92 |
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 23.92, this code ranks in the 87th percentile among Surgery codes — 3.0x the median (8.00). The highest wRVU in this category is 106.19.
Specialties
Frequently Asked Questions
What is CPT code 21243?
CPT 21243 (Reconstruction of jaw joint) is a Surgery code. Reconstruction of the temporomandibular joint with costochondral graft, using rib cartilage to restore joint structure and function.
What is the wRVU value for CPT 21243?
The work RVU for CPT 21243 is 23.92. This code is primarily used by Oral Surgery, Maxillofacial Surgery, Pediatric Dentistry. It has a 90-day global period.
When is CPT 21243 used?
Used for TMJ ankylosis, severe condylar loss, or significant joint destruction. Provides growth potential in children.
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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.