Summary & Overview
CPT 42210: Palatoplasty with Alveolar Ridge Closure and Bone Graft
CPT code 42210 represents palatoplasty with closure of an alveolar ridge defect plus an included bone graft. This reconstructive surgical procedure addresses congenital or acquired clefts of the palate and alveolar ridge, combining soft tissue repair with osseous reconstruction. Nationally, palatoplasty with alveolar bone grafting is clinically significant for pediatric craniofacial care and multidisciplinary cleft teams, affecting surgical resource utilization, perioperative planning, and payer coverage decisions.
Key payers covered in this overview include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. Readers will find a concise explanation of the procedure and clinical context, plus an outline of commonly reported modifiers and payer considerations where available. The publication also provides benchmarks and policy-relevant notes that inform coding practice, claims processing, and coverage alignment for reconstructive cleft procedures.
The content covers coding purpose and clinical scope, expected sites of service, and the role of included services (notably that bone graft harvest is part of the code). Data not available in the input will be noted where relevant. This national-level summary is intended for billing managers, clinical coding staff, and policy analysts seeking a clear briefing on CPT code 42210.
Billing Code Overview
CPT code 42210 describes a surgical repair of a cleft palate (palatoplasty) that includes closure of a gap in the alveolar ridge and an accompanying bone graft to the alveolar ridge. The procedure description specifies that obtaining the bone graft is included in the service and should not be reported separately.
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Service type: Surgical repair of congenital maxillofacial defect (palatoplasty with alveolar ridge closure and bone graft)
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Typical site of service: Hospital operating room or ambulatory surgical center for reconstructive cleft palate surgery
Clinical & Coding Specifications
Clinical Context
A 7-year-old child with an alveolar cleft related to a repaired or unrepaired cleft palate presents for definitive reconstruction. Preoperative evaluation includes multidisciplinary cleft team assessment, imaging (panoramic radiograph or CT) to assess the alveolar defect, dental and orthodontic planning, and authorization for operative repair. In the operating room under general anesthesia, the surgeon performs palatoplasty with closure of the alveolar ridge gap and harvests a local autologous bone graft (commonly from the iliac crest or chin) to augment and reconstruct the alveolar ridge. The procedure restores bone continuity to support eruption of teeth and enables future orthodontic treatment and potential dental implant planning. Typical postoperative workflow includes recovery in PACU, short inpatient observation or same-day discharge depending on age and comorbidities, follow-up with the cleft team, dental/orthodontic coordination, and documentation of the included bone graft harvest (not billed separately). Typical site of service is an ambulatory surgery center or hospital operating room. Service type: reconstructive maxillofacial surgery performed by pediatric plastic surgery, oral and maxillofacial surgery, or otolaryngology within a multidisciplinary cleft team.
Coding Specifications
- The table below lists the most clinically relevant modifiers for this procedure with typical usage.
| Modifier | Description | When to Use |
|---|---|---|
26 | Professional component |