21199 Reconstruction lower jaw with advance
Also known as: mandibular advancement, sagittal split osteotomy, SSDO
Reconstruction of the lower jaw with advancement, involving sagittal split osteotomy or similar procedure to reposition the mandible anteriorly.
In Plain Language
Moving lower jaw forward; Jaw surgery to advance chin
Clinical Context
Used for mandibular retrognathia, sleep apnea, or Class II malocclusion requiring advancement.
RVU Breakdown
| Work RVU | 16.31 |
| Total RVU | 16.31 |
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 16.31, this code ranks in the 76th percentile among Surgery codes — 2.0x the median (8.00). The highest wRVU in this category is 106.19.
Specialties
Frequently Asked Questions
What is CPT code 21199?
CPT 21199 (Reconstruction lower jaw with advance) is a Surgery code. Reconstruction of the lower jaw with advancement, involving sagittal split osteotomy or similar procedure to reposition the mandible anteriorly.
What is the wRVU value for CPT 21199?
The work RVU for CPT 21199 is 16.31. This code is primarily used by Orthognathic Surgery, Maxillofacial Surgery. It has a 90-day global period.
When is CPT 21199 used?
Used for mandibular retrognathia, sleep apnea, or Class II malocclusion requiring 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.