CurrentUnitedHealthcarePolicy CS088NJ.V

Orthognathic (Jaw) Surgery (for New Jersey Only)

Defines UnitedHealthcare Community Plan medical policy for orthognathic (jaw) surgery applicable only to New Jersey Medicaid/NJ FamilyCare members, specifying reconstructive/medically necessary indications, exclusions (cosmetic, TMJ, OSA), applicable procedure codes, and policy history.

Policy Summary

PayerUnitedHealthcare

PolicyOrthognathic (Jaw) Surgery (for New Jersey Only)

Policy CodePolicy CS088NJ.V

Change TypeRevised (applicable CDT code updates; D5934/D5935 description revisions)

Effective DateFeb 1, 2026

Next Review DateN/A

Key ActionDocument verifiable clinical measurements and evidence of functional impairment to support medical necessity; submit prior authorization with photos when claiming cosmetic procedures with medical necessity.

POLICY UPDATE CHANGES

Updated list of applicable CDT codes; revised descriptions for D5934 and D5935. (Supporting Information: Archived previous policy version CS088NJ.U)

1State-specific policy (New Jersey only)

MultipleReferenced CPT/CDT codes

ConditionalCoverage requires objective measurements + functional impairment

Coverage Summary

Scope: This policy defines UnitedHealthcare Community Plan coverage for Orthognathic (Jaw) Surgery applicable only to New Jersey Medicaid/NJ FamilyCare members and specifies reconstructive/medically necessary indications, exclusions, applicable procedure codes, and policy history.

Conditional coverage requirements: Coverage requires documentation of verifiable objective clinical measurements (e.g., overjet, molar discrepancy, open bite measurements, asymmetry in mm per policy thresholds) AND evidence of functional impairment (masticatory/swallowing dysfunction or speech impairment) to support medical necessity.

Numeric/Clinical Thresholds

Anteroposterior overjet thresholdHorizontal overjet ≥ 5 mm or 0 to negative

Molar anteroposterior relationship thresholdMolar discrepancy ≥ 4 mm (norm 0–1 mm)

Posterior open bite thresholdUnilateral or bilateral posterior open bite > 2 mm

Transverse discrepancy threshold — bilateralTotal bilateral maxillary palatal cusp to mandibular fossa discrepancy ≥ 4 mm

Transverse discrepancy threshold — unilateralUnilateral discrepancy ≥ 3 mm

Asymmetry thresholdAnteroposterior, transverse, or lateral asymmetry > 3 mm with concomitant occlusal asymmetry

Medical-Necessity Criteria

Medically Necessary / Reconstructive Indications

Orthognathic (jaw) surgery may be considered Reconstructive and medically necessary when ALL of the following are met:

ALL of the following

Anteroposterior discrepancies (established norm = 2 mm) — ONE of
- Maxillary/mandibular incisor relationship: Horizontal overjet of 5 mm or more or a 0 to a negative valueHorizontal overjet >= 5 mm or 0 to negative
- Maxillary/mandibular anteroposterior molar relationship: Discrepancy of 4 mm or more (norm 0 to 1 mm)Molar AP relationship discrepancy >= 4 mm
Vertical discrepancies — ONE of
- Presence of a vertical facial skeletal deformity which is two or more standard deviations from published norms for accepted skeletal landmarks
- Open bite — ONE of
  - No vertical overlap of anterior teeth
  - Unilateral or bilateral posterior open bite greater than 2 mmPosterior open bite > 2 mm
- Deep overbite with impingement or irritation of buccal or lingual soft tissues of the opposing arch
- Supraeruption of a dentoalveolar segment due to lack of occlusion
Transverse discrepancies — ONE of
- Presence of a transverse skeletal discrepancy which is two or more standard deviations from published norms
- Total bilateral maxillary palatal cusp to mandibular fossa discrepancy of 4 mm or greater, or a unilateral discrepancy of 3 mm or greater, given normal axial inclination of the posterior teethBilateral >= 4 mm or unilateral >= 3 mm
Asymmetries: Anteroposterior, transverse, or lateral asymmetries greater than 3 mm with concomitant occlusal asymmetryAsymmetry > 3 mm with concomitant occlusal asymmetry
Functional Impairments — ONE or more of
- Masticatory and swallowing dysfunction due to skeletal malocclusion (e.g., inability to bite and/or chew solid foods, choking on incompletely masticated solid foods, damage to soft tissue during mastication, malnutrition)
- Documentation of speech impairment due to facial skeletal deformity

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Medically Necessary / Reconstructive Indications

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Not Medically Necessary / Exclusions

Orthognathic surgery is NOT considered Reconstructive and medically necessary for the following:

ANY of the following

Indications other than those meeting the reconstructive/medically necessary criteria above, including procedures performed for Cosmetic purposes only
This policy does not address surgical treatment for obstructive sleep apnea or temporomandibular joint disorders; refer to the separate UnitedHealthcare policies for Obstructive and Central Sleep Apnea Treatment (for New Jersey Only) and Treatment of Temporomandibular Joint Disorders (for New Jersey Only)
Exclusion: see related policies for TMJ and OSA

Applicable Procedure / Dental Codes (Reference)

Referenced CPT/Procedure Codes (reference)CPT

21076	Impression and custom preparation; surgical obturator prosthesis.
21079	Impression and custom preparation; interim obturator prosthesis.
21080	Impression and custom preparation; definitive obturator prosthesis
21081	Impression and custom preparation; mandibular resection prosthesis.
21082	Impression and custom preparation; palatal augmentation prosthesis.
21083	Impression and custom preparation; palatal lift prosthesis.
21120	Genioplasty; augmentation (autograft, allograft, prosthetic material).
21121	Genioplasty; sliding osteotomy, single piece.
21122	Genioplasty; sliding osteotomies, 2 or more osteotomies.
21123	Genioplasty; sliding, augmentation with interpositional bone grafts (includes obtaining autografts).

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Referenced CDT / Dental Codes (reference)mixed

D5934	Mandibular guidance prosthesis with guide flange (description revised per policy history).
D5935	Mandibular guidance prosthesis without guide flange.
D5982	Surgical stent.
D5988	Surgical splint.
D7471	Removal of lateral exostosis (maxilla or mandible).
D7472	Removal of torus palatinus.
D7473	Removal of torus mandibularis.
D7490	Radical resection of maxilla or mandible.
D7610	Maxilla - open reduction (teeth immobilized, if present).
D7630	Mandible - open reduction (teeth immobilized if present).

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The included lists of CPT and CDT procedure codes are provided for reference only and do not guarantee coverage or reimbursement. Benefit coverage is governed by federal, state, or contractual requirements and applicable laws.

Providers must document objective clinical measurements and functional impairments to support medical necessity; if a procedure would otherwise be considered cosmetic but significant redeeming medical necessity is demonstrated, a written prior authorization request (with photographs when indicated) must be submitted to the Medical Assistance Customer Center.

Provider Actions & Requirements

Prior Authorization

Prior authorization for cosmetic claims with medical necessity

If a procedure would otherwise be considered cosmetic but significant redeeming medical necessity can be demonstrated, the physician must submit a written prior authorization request to the Medical Assistance Customer Center. Requests shall be submitted in writing and shall include photographs when indicated to support the request. The physician shall obtain prior authorization from the Medical Assistance Customer Center before this service is rendered.

Documentation Required

Document objective clinical measurements and functional impairments

Providers must document verifiable clinical measurements (for example: horizontal overjet, molar anteroposterior discrepancy, open bite measurements, and asymmetry in millimeters) and provide evidence of functional impairment such as masticatory or swallowing dysfunction (e.g., inability to bite/chew solid foods, choking on incompletely masticated foods, damage to soft tissue during mastication, malnutrition) or documented speech impairment to support medical necessity.

Billing Rule

Code list is reference only

The included list of CPT and CDT codes is provided for reference only and does not guarantee coverage or reimbursement. Listing of a code in this policy does not imply that the service described by the code is a covered or non-covered health service; benefit coverage is governed by federal, state, or contractual requirements and applicable laws.

Background, Evidence & Definitions

Background: Orthognathic surgery corrects skeletal abnormalities of the mandible (lower jaw), maxilla (upper jaw), or both to improve facial form and physiologic function. These abnormalities may be congenital, result from traumatic injuries, or be secondary to systemic disease, and treatment often is combined with orthodontics and other rehabilitative therapies.

Purpose and goals: The primary goal of orthognathic surgery is to restore or improve physiologic function (for example, mastication, swallowing, and speech) rather than to provide cosmetic improvement; correction is performed to address skeletal deformities associated with masticatory malocclusion and related functional impairments.

Citation	Key Finding
Bunpu et al. 2023 systematic review	Orthognathic surgery improves masticatory performance but may not reach normal occlusion; severity affects improvement.
Mulier et al. 2021	Long-term dental/dentolabial stability is variable; evidence limited and further prospective studies are needed.
Wei et al. 2018	Surgery-first/early approach may yield poorer postoperative stability versus conventional orthodontics-first; additional research recommended.
Haas Junior et al. 2017	Segmental Le Fort I osteotomy complication rate reported <8.5% in reviewed studies; evidence limited.

Cosmetic Surgery: Surgery performed solely to beautify with no significant redeeming medical necessity; generally not covered under NJ Medicaid/NJ FamilyCare unless significant medical necessity is demonstrated and prior authorized.

Functional or Physical Impairment: Deviation from normal function causing significantly limited capacity to perform physical activities (e.g., difficulties with eating, movement, or basic life functions).

Reconstructive Procedures: Procedures primarily to treat a medical condition or improve/restore physiologic function related to injury, sickness, or congenital anomaly; the primary result is not changed appearance.

Revision History

2026-02-01policy_updateLatest

Policy number CS088NJ.V. Updated list of applicable CDT codes to reflect annual edits; revised description for D5934 (Mandibular guidance prosthesis with guide flange) and D5935 (Mandibular guidance prosthesis without guide flange). Supporting information: Archived previous policy version CS088NJ.U.