21110 Interdental fixation
Also known as: interdental fixation, intermaxillary fixation, jaw wiring
Interdental fixation involving placement of wires or orthodontic appliances between upper and lower teeth to stabilize fractures or correct bite relationships.
In Plain Language
Wiring teeth together; Tying upper and lower teeth in position; Stabilizing bite with wires
Clinical Context
Common for mandibular fractures, maxillary fractures, and bite correction. Immobilizes the jaw to allow bone healing.
RVU Breakdown
| Work RVU | 5.84 |
| Total RVU | 5.84 |
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 5.84, this code ranks in the 39th percentile among Surgery codes — 1.4x below the median (8.00). The highest wRVU in this category is 106.19.
Specialties
Frequently Asked Questions
What is CPT code 21110?
CPT 21110 (Interdental fixation) is a Surgery code. Interdental fixation involving placement of wires or orthodontic appliances between upper and lower teeth to stabilize fractures or correct bite relationships.
What is the wRVU value for CPT 21110?
The work RVU for CPT 21110 is 5.84. This code is primarily used by Oral Surgery, Maxillofacial Surgery, Orthodontics. It has a 90-day global period.
When is CPT 21110 used?
Common for mandibular fractures, maxillary fractures, and bite correction. Immobilizes the jaw to allow bone healing.
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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.