21247 Reconstruct lower jaw bone
Also known as: mandibular setback, mandibular reduction
Reconstruction of the lower jaw with mandibular setback, moving the jaw backward to correct Class III malocclusion or anterior projection.
In Plain Language
Moving lower jaw backward; Jaw recession surgery
Clinical Context
Used for mandibular prognathism, Class III malocclusion, or excessive anterior projection. Often combined with maxillary advancement.
RVU Breakdown
| Work RVU | 23.76 |
| Total RVU | 23.76 |
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 23.76, 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 21247?
CPT 21247 (Reconstruct lower jaw bone) is a Surgery code. Reconstruction of the lower jaw with mandibular setback, moving the jaw backward to correct Class III malocclusion or anterior projection.
What is the wRVU value for CPT 21247?
The work RVU for CPT 21247 is 23.76. This code is primarily used by Orthognathic Surgery, Maxillofacial Surgery. It has a 90-day global period.
When is CPT 21247 used?
Used for mandibular prognathism, Class III malocclusion, or excessive anterior projection. Often combined with maxillary advancement.
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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.