Orthodontia - Medically Necessary Orthodontia Care
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Policy governing review and preauthorization criteria for medically necessary orthodontic treatment for members under applicable Blue Cross Blue Shield - Maine contracts; applies to providers requesting orthodontic benefits determination.
No material clinical or coverage changes in this revision.
Coverage Criteria
Medically Necessary Orthodontia Approval Criteria
Covered when ALL of the following are met:
All elements required for approval
Cosmetic orthodontia is explicitly excluded from medical necessity coverage. The policy states that cosmetic orthodontia care is not considered medically or dentally necessary treatment, and that services intended primarily to improve appearance or provide minor corrections of malocclusion are not eligible for MNOC coverage.
Orthodontic services to correct malocclusion that is not dysfunctional are not covered as medically necessary. The policy specifies that minor corrections of malocclusion and care aimed at cosmetic improvement — including treatment for malocclusion or abnormal contact between maxillary and mandibular teeth when dysfunction is not present — are considered cosmetic and therefore not medically necessary. Documented craniofacial deformities that create a handicapping malocclusion are an exception and are automatic qualifiers for MNOC.
Coding
| D8010 | Limited orthodontic treatment of the primary dentition. |
| D8020 | Limited orthodontic treatment of the transitional dentition. |
| D8030 | Limited orthodontic treatment of the adolescent dentition. |
| D8040 | Limited orthodontic treatment of the adult dentition. |
| D8070 | Comprehensive treatment of the transitional dentition. |
| D8080 | Comprehensive treatment of the adolescent dentition. |
| D8090 | Comprehensive treatment of the adult dentition. |
| D8660 | Pre-orthodontic treatment examination to monitor growth and development. |
| D8670 | Periodic orthodontic treatment visit. |
| D8693 | Re-cement or re-bond fixed retainer. |
Provider Actions & Requirements
Preauthorization required — submit HLD score and clinical evidence
Preauthorization is required prior to initiation of any medically necessary orthodontic services; requests must include objective evidence of severity such as a completed HLD (Handicapping Labio‑Lingual Deviation) score and the full set of required clinical materials listed for review.
- Preauthorization required prior to initiation of any services
- Must document HLD score (minimum HLD ≥ 26 or state/group threshold) and supporting clinical evidence
Provider responsibilities for authorization and provider qualification
Providers must ensure orthodontia is performed by a licensed dentist or orthodontist and submit a complete preauthorization packet per policy to avoid delays or denial of benefit determinations.
- Services must be provided by a licensed dentist or orthodontist
- Submit complete documentation before initiating treatment to obtain authorization
Required documentation to include with preauthorization
Include the following documents with the preauthorization request; incomplete submissions may delay review.
- Completed HLD Scoring Index
- Orthodontic treatment plan
- Narrative describing the severe physically handicapping malocclusion
- Panoramic and/or mounted full‑mouth radiographs
- Cephalometric x‑ray with teeth in centric occlusion and cephalometric tracing
- Facial photographs (frontal and profile)
- Intra‑oral photographs (right, left, anterior)
- Maxillary and mandibular occlusal photographs
- Photographs of articulated study models or ortho CAD/CAM electronic equivalent (all views)
- If surgery planned, surgical treatment plan and letter of medical necessity
Denial triggers — common reasons claims are denied
Requests may be denied when criteria for medical/dental necessity are not met, when the condition is primarily cosmetic, or when group/contract language does not permit review for medical necessity.
- Cosmetic orthodontia and minor, non‑dysfunctional corrections are excluded and may be denied
- Failure to meet validated Index criteria (e.g., HLD < 26 or below state/group threshold) may result in denial
- Services not provided by a licensed dentist/orthodontist or lacking required preauthorization/documentation risk denial
Background
Medically Necessary Orthodontia Care (MNOC) is intended for severe handicapping malocclusions that substantially interfere with function (mastication, speech, or maintenance of oral hygiene) and frequently require pre-surgical orthodontics and/or combined surgical-orthodontic management. Examples include cleft palate, severe open-bite deformities, severe Class II with destructive bite, severe Class III, Treacher Collins Syndrome, and severe dento-facial trauma. The policy emphasizes that MNOC addresses dysfunctional occlusion due to underlying craniofacial abnormalities and is not primarily cosmetic; documented craniofacial deformities that create a handicapping malocclusion are automatic qualifiers for MNOC.
Definitions
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