Aetna Orthognathic Surgery Coverage Update

Maxillary and/or Mandibular Facial Skeletal Deformities Associated with Masticatory Malocclusion

Covered when ALL of the following are met:

Overall requirement: Skeletal deformity of the maxilla or mandible is documented to contribute to significant masticatory dysfunction and severity precludes adequate treatment through dental therapeutics and orthodontics alone.

Antero-posterior discrepancies: Either maxillary/mandibular incisor overjet of 5 mm or more (or a 0 to negative value where norm is 2 mm) OR a maxillary/mandibular antero-posterior molar relationship discrepancy of 4 mm or more.overjet >=5 mm; molar discrepancy >=4 mm

These values represent 2 or more standard deviations from published norms.

Vertical discrepancies: Either presence of a vertical facial skeletal deformity ≥2 SDs from published norms for accepted skeletal landmarks OR open bite criteria (no vertical overlap of anterior teeth greater than 2 mm; unilateral or bilateral posterior open bite >2 mm) OR deep overbite with impingement/irritation of buccal or lingual soft tissues OR supraeruption producing dysfunction not amenable to conventional prosthetics.>=2 SDs; >2 mm

Transverse discrepancies: Either transverse skeletal discrepancy ≥2 SDs from published norms OR total bilateral maxillary palatal cusp to mandibular fossa discrepancy ≥4 mm OR unilateral discrepancy ≥3 mm given normal axial inclination of posterior teeth.>=2 SDs; bilateral >=4 mm; unilateral >=3 mm

Asymmetries: Antero-posterior, transverse, or lateral asymmetries >3 mm with concomitant occlusal asymmetry.>3 mm

Facial Skeletal Discrepancies Associated with Sleep Apnea or Airway Defects

Covered when ALL of the following are met:

Airway-related deformities: Documented mandibular and/or maxillary deformities are contributing to airway dysfunction that is not amenable to non-surgical treatments, and orthognathic surgery is expected to decrease airway resistance and improve breathing.

Members with craniofacial skeletal deformities contributing to obstructive sleep apnea should be evaluated for cause/site and non-surgical treatments attempted when indicated (see CPB 0004).

Speech Impairments

Covered when ALL of the following are met:

Severe cleft-related speech impairments: Orthognathic surgery is medically necessary for treatment of speech impairments accompanying severe cleft deformity when dysfunction is present and surgery is intended to reduce resultant facial flattening and improve speech; pre-surgical orthodontic treatment is usually recommended.

Orthognathic surgery for sibilant distortions or other speech distortions (e.g., hyper-nasal or hypo-nasal) that do not cause functional impairment is considered not medically necessary.

Experimental/Investigational and Not Covered Indications

Not covered/considered experimental for the following:

Speech/articulation other than severe cleft: Orthognathic surgery for correction of articulation disorders and other impairments in speech production (other than treatment of speech impairments accompanying severe cleft deformity) is considered experimental/investigational due to inadequate evidence.

Specific experimental techniques/devices: The following are considered experimental and investigational because effectiveness has not been established: orthognathic surgery for temporomandibular joint pathology/TMJ disease or myofascial pain dysfunction; condylar positioning devices; low-level laser therapy for neurosensory disorders and post-operative edema/pain; manual lymphatic drainage for post-operative edema; three-dimensional virtual treatment planning/computer-aided simulation and navigation (CASNOS); Kinesio taping for reduction of swelling; and use of biodegradable osteosyntheses as a supply in orthognathic surgery.

Cosmetic Indications

Not covered when ANY of the following are met:

Cosmetic only: Orthognathic surgery performed primarily for correction of unaesthetic facial features (including isolated mentoplasty/genial osteotomies) is considered cosmetic and no benefits are available under Aetna's medical plans.

Mentoplasty/genial osteotomies performed as isolated procedures are always considered cosmetic.

Evidence summaries (no explicit coverage criteria)

Evidence and findings summarized (no direct policy criteria in these excerpts).

Virtual splint usability: Pilot and larger series indicate virtual/computer-assisted splints can be clinically usable; in a 10-patient pilot 8/10 virtual splints were usable and larger series report that software improvements are needed to optimize 3D occlusal definition.

Preliminary evidence; further validation required.

Hemostatic adjuncts (TXA): Meta-analysis of RCTs (including 6 studies, 288 patients) showed tranexamic acid (IV or topical) reduced intra-operative blood loss (~171 mL) and topical use also significant; operating time decreased modestly in pooled analyses.

Authors recommend additional trials to confirm topical and larger IV studies.

Distraction vs osteotomy for cleft maxillary hypoplasia: Systematic review found low-quality evidence and insufficient data to conclude superiority between distraction osteogenesis and orthognathic osteotomy for cleft-related maxillary hypoplasia.

Need for high-quality RCTs.

Aetna considers orthognathic surgery performed primarily to correct unaesthetic facial features to be cosmetic. Isolated chin procedures (mentoplasty/genial osteotomies/ostectomies) performed solely for aesthetic concerns are also considered cosmetic when done as standalone procedures and therefore are not benefits under Aetna medical plans. When chin surgery is combined with other procedures, the cosmetic determination depends on the overall indication and whether functional impairment is being addressed.

Systematic reviews and trials informing this policy often applied study-specific eligibility and exclusion criteria; for example, reviews of orthodontic treatments and TMD excluded short-term splint-only studies and direct joint exploration procedures, and many included only randomized trials or higher-quality observational designs. These methodological exclusions affect the generalizability of published findings and are the basis for classifying certain indications or techniques as experimental when evidence of effectiveness is inadequate.

Some evidence syntheses and trials excluded patients with syndromic disorders and those with cleft lip/palate from analyses (for example, systematic reviews comparing biodegradable versus titanium fixation), limiting applicability of those results to non-syndromic populations.

This Clinical Policy Bulletin provides a partial, general description of plan or program benefits and is intended to assist in administering benefits. It does not constitute a contract or guarantee of coverage. Participating providers remain responsible for medical advice and treatment, and this bulletin may be updated or changed.

Orthognathic surgery may be considered medically necessary for speech impairments that accompany severe cleft deformity when the procedure is intended to improve speech and facial form. By contrast, surgery for correction of sibilant distortions or other speech quality distortions (for example, hyper-nasal or hypo-nasal speech) that do not produce demonstrable functional impairment is considered not medically necessary.

The policy notes limited and low-quality evidence for several indications; where published studies are small, observational, heterogeneous, or exclude key patient groups, evidence is insufficient to support orthognathic surgery as an established treatment (for example, as primary therapy for TMD or for many speech/articulation disorders). Because of these evidence limitations, several indications and techniques are described as experimental/investigational or lacking support rather than being explicitly labeled with universal "not medically necessary" language.

Within the document excerpts reviewed there are no additional explicit statements that label other procedures or indications as universally not medically necessary; where the policy uses terms such as "insufficient evidence" or "experimental/investigational," reviewers should rely on the specific exclusions and criteria sections for coverage determinations.

Coding

Covered CPT Codes (if selection criteria met)CPTCovered

21083	Impression and custom preparation; palatal lift prosthesis.
21084	Speech aid prosthesis.
21085	Oral surgical splint.
21088	Facial prosthesis.
21141	Reconstruction midface, Lefort I; single piece, segment movement in any direction (e.g., for Long Face Syndrome), without bone graft.
21142	2 pieces, segment movement in any direction, without bone graft.
21143	3 or more pieces, segment movement in any direction, without bone graft.
21145	Single piece, segment movement in any direction, requiring bone grafts (includes obtaining graft).
21146	2 pieces, segment movement in any direction, requiring bone grafts (includes obtaining autografts).
21147	3 or more pieces, segment movement in any direction, requiring bone grafts (includes obtaining autografts).

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Additional Covered / Related CPT CodesCPTCovered

21242	Arthroplasty, temporomandibular joint, with allograft.
21243	Arthroplasty, temporomandibular joint, with prosthetic joint replacement.
21247	Reconstruction of mandibular condyle with bone and cartilage autografts (includes obtaining grafts).
21255	Reconstruction of zygomatic arch and glenoid fossa with bone and cartilage (includes obtaining autografts).
21270	Malar augmentation, prosthetic material.
21275	Secondary revision of orbitocraniofacial reconstruction.
21295	Reduction of masseter muscle and bone; extraoral approach.
21296	Intraoral approach.
42200-42281	Repair of palate.
21110	Application of interdental fixation device for conditions other than fracture or dislocation, includes removal.

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CPT Codes Not Covered / Experimental for Listed IndicationsCPTNot Covered

0552T	Low-level laser therapy, dynamic photonic and dynamic thermokinetic energies, provided by a physician or other qualified health care professional.
21125	Augmentation, mandibular body or angle; prosthetic material.
21127	With bone graft, onlay or interpositional (includes obtaining autograft).
97140	Manual therapy techniques, 1 or more regions, each 15 minutes (Mobilization/manipulation, manual lymphatic drainage, manual traction).

Covered HCPCS / Dental and Other CodesmixedCovered

D5954-D5959	Palatal augmentation and lift prosthesis.
D7940-D7955	Other repair procedures.
D8010-D8999	Orthodontics.
C1713	Anchor/screw for opposing bone-to-bone or soft tissue-to-bone (implantable).
C1889	Implantable/insertable device, not otherwise classified.

Covered ICD-10 Diagnosis Codes (if selection criteria met)ICD-10Covered

G47.33	Obstructive sleep apnea (adult) (pediatric) [associated with facial skeletal deformities].
M26.00-M26.59	Dentofacial anomalies [including malocclusion] and other disorders of jaw [except TMJ disorders].
M26.70-M26.9	Other dentofacial anomalies.
Q35.1-Q37.9	Cleft lip and cleft palate.

ICD-10 Diagnosis Codes Not Covered for Indications ListedICD-10Not Covered

G89.18	Other acute postprocedural pain [neurosensory disorders].
G89.28	Other chronic postprocedural pain [neurosensory disorders].
M26.601-M26.609	Temporomandibular joint disorders.
R20.2	Paresthesia of skin [neurosensory disorders].
R60.0-R60.9	Edema, not elsewhere classified [Postoperative edema].
Z41.1	Encounter for cosmetic surgery.
Z98.890	Other postprocedural states [post orthognathic surgery].

Numeric anatomical thresholds — Overjet, molar AP discrepancy, transverse discrepancy numeric thresholds and norms

OverjetMaxillary/mandibular incisor relationship: overjet of 5 mm or more (norm ~2 mm); 0 to negative values also noted as abnormal

Molar antero-posterior discrepancyMaxillary/mandibular molar relationship discrepancy of 4 mm or more (norm 0–1 mm)

Transverse discrepancyTransverse skeletal discrepancy ≥2 standard deviations (SDs) from published norms, or total bilateral palatal cusp to mandibular fossa discrepancy ≥4 mm, or unilateral ≥3 mm (with normal posterior tooth axial inclination)

Asymmetry thresholdAntero‑posterior, transverse or lateral asymmetries greater than 3 mm with concomitant occlusal asymmetry

Vertical deformity / open biteVertical facial skeletal deformity ≥2 SDs from published norms; open bite: no anterior vertical overlap >2 mm or unilateral/bilateral posterior open bite >2 mm; deep overbite with soft tissue impingement or supraeruption causing dysfunction not amenable to prosthetics

Provider Actions & Administrative Requirements

Prior Authorization

Precertification required

Orthognathic surgery may be subject to precertification review in plans that include precertification requirements. For plans that require precertification, surgery must be precertified prior to initiation of pre-surgical orthodontic treatment; failure to obtain precertification prior to orthodontic care may result in denial of benefits.

Precertify orthognathic surgery before beginning pre-surgical orthodontics when your plan requires precertification.
Forward precertification requests and claims to Aetna's Oral and Maxillofacial Surgery Unit for review.

Step Therapy

Step-therapy / Trial requirements

No specific step therapy or trial-of-treatment sequencing requirements are specified in these policy excerpts. There are no explicit step-therapy (trial-of-treatment) mandates described for orthognathic surgery.

Denial Risk

Authorization and denial criteria (administrative note)

The document does not state explicit authorization actions or detailed prior-authorization/denial criteria beyond the requirement to submit documentation for precertification where applicable. No explicit operational authorization steps or denial criteria are provided in these excerpts.

Documentation Required

Documentation of pre-operative planning and splint fabrication

Submit documentation of pre-operative planning and splint fabrication as part of the review when relevant. Documentation may include pre-operative orthodontic treatment details, CBCT-derived datasets or imaging, descriptions of surgical planning (traditional and computer-assisted workflows), and details of any surgical splints produced (traditional or virtual).

Include dates and nature of previous treatment and pre-surgical orthodontic course.
Provide physical evidence of skeletal/facial deformity (study models, pre-orthodontic imaging) and a detailed description of the functional impairment.
Document use of CBCT scans, virtual planning workflows, and type/number of surgical splints when applicable.

Definitions

Orthognathic surgery — Definition

DefinitionRevision by ostectomy, osteotomy or osteoplasty of the upper jaw (maxilla) and/or lower jaw (mandible) intended to alter jaw and teeth relationships to correct functional impairment or when orthodontics alone is insufficient

PurposeTo correct skeletal jaw and cranio‑facial deformities associated with significant functional impairment (chewing, speaking, swallowing)

Common techniquesProcedures may add, remove or reshape bone and use fixation (plates, screws) and splints (e.g., LeFort I is a common technique)

Virtual/Computer-assisted splint — Definition and fabrication workflow

DefinitionSurgical splint designed from CBCT scans and virtual planning software, with datasets post-processed and converted to .stl files for fabrication

Fabrication workflowAcquire CBCT (and/or dental cast) imaging → virtual design in planning software → post-process and convert datasets to .stl → manufacture splint (e.g., PolyJet/photo‑polymerization) for intra‑operative occlusal guidance

Clinical noteVirtual/computer-assisted splints have been shown in pilot series to be manufacturable and clinically usable, though software and 3‑D occlusal definition improvements may be needed

Tranexamic acid (TXA) — Hemostatic agent definition and role

DefinitionTranexamic acid (TXA) is a hemostatic agent administered intravenously or topically to reduce intra‑operative blood loss

Evidence summaryMeta-analysis of 6 TXA studies (288 patients) showed TXA reduced intra-operative blood loss by an average of ~171 mL; topical TXA showed similar significant reductions

Operative effectSubgroup analysis also showed decreased operating time (~15 minutes) in TXA groups; authors called for larger RCTs to confirm findings

Bioresorbable fixation — Definition and comparison to titanium fixation

DefinitionBioresorbable fixation refers to plates and screws manufactured from resorbable materials used for osteosynthesis instead of titanium in orthognathic procedures

Comparative findingsSystematic reviews and cohort studies report comparable outcomes for many measures; meta-analysis of cohort studies found no significant differences for most relapse measures, though titanium showed less long‑term relapse after mandibular setback

Evidence qualityAvailable trials include small RCTs at high risk of bias and observational cohort studies; overall evidence is limited and conclusions are cautious

Low-Level Laser Therapy (LLLT) — Adjunctive therapy studied

DefinitionLow‑Level Laser Therapy (LLLT) is an adjunctive therapy studied post‑operatively to reduce pain, trismus, and to accelerate neurosensory recovery after orthognathic surgery

Evidence summarySystematic reviews and RCTs report early post‑operative pain reduction (very low to low quality evidence) and potential benefits for mouth opening; edema reduction findings are inconsistent

Clinical implicationCurrent evidence is limited and heterogeneous; LLLT may be considered an adjunct but definitive recommendations are not supported by high‑quality data

Genial osteotomies / ostectomies — Chin surgeries (definition)

DefinitionGenial osteotomies/ostectomies refer to surgical procedures on the chin (genial region)

Clinical contextThese procedures alter chin position/contour and when performed for cosmetic reasons are considered aesthetic and not medically covered

Relation to orthognathic careIsolated mentoplasty/genial procedures may be excluded from medical coverage if performed solely for unaesthetic concerns

ANB — Definition of cephalometric angle between point A and B at Nasion

DefinitionANB is the cephalometric angle formed at Nasion between Point A (maxilla) and Point B (mandible); a positive value indicates the maxilla is anterior to the mandible

UseANB is used to quantify antero‑posterior skeletal relationships in preoperative planning and accuracy assessments of virtual planning protocols

Interpretation noteNegative ANB indicates the maxilla positioned posteriorly relative to the mandible

A-Nv / Pog-Nv — Linear distances from point A or Pogonion to Nv (vertical reference)

DefinitionA‑Nv and Pog‑Nv are linear distances from Point A or Pogonion (Pog) to Nv, a vertical reference through Nasion to the Frankfort horizontal plane; points anterior to Nv are given positive values

Measurement axesThese linear measures (A‑Nv, Pog‑Nv) are used to evaluate vertical and antero‑posterior positional changes in 3‑D planning and outcome assessment

Interpretation notePositive values denote points anterior to the Nv reference; used alongside other landmarks (ANS, point B) in superimposition analyses

Miscellaneous/empty definition slot

PlaceholderNo term or definition provided in source document for this slot; reserved for future glossary entries

GuidanceIf needed, add concise clinical definitions supported by source evidence and citations

NoteDo not populate with terms not present in the policy; keep this slot empty until authoritative definition is available

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Orthognathic Surgery

Coverage Criteria

Coding

Provider Actions & Administrative Requirements

Background

Definitions