CurrentUnitedHealthcarePolicy CS195NJ.F

Treatment of Temporomandibular Joint Disorders (TMJ/TMD) — New Jersey

Clinical coverage criteria for non‑surgical and surgical treatment of temporomandibular joint disorders for UnitedHealthcare members in New Jersey. Defines medically necessary, unproven/not medically necessary services and references InterQual criteria for certain surgical procedures.

Policy Summary

PayerUnitedHealthcare

PolicyTreatment of Temporomandibular Joint Disorders (TMJ/TMD) — New Jersey

Policy CodePolicy CS195NJ.F

Change TypeWording/consolidation and examples updated

Effective DateApr 1, 2025

Next Review Date

Key ActionDocument prior conservative therapy attempts and use InterQual criteria when seeking authorization for TMJ surgical procedures; include clinical justification if requesting exceptions for jaw mobility devices or epigenetic appliances.

SourceLink

POLICY UPDATE CHANGES

Replaced 'passive rehabilitation therapy devices (e.g., TheraBite Jaw Motion Rehabilitation System ® ) and low-load prolonged-duration stretch devices (e.g., Jaw Dynasplint ® System)' with 'jaw mobility mechanical stretching devices (e.g., TheraBite Jaw Motion Rehabilitation System ®, Jaw Dynasplint ® System)'.

Revised list of examples of epigenetic appliances; added 'Advanced Lightwire Functional (ALF) appliances'.

Updated Description of Services, Clinical Evidence, and References sections to reflect current information.

5Non-surgical services listed as proven and medically necessary

5+Surgical procedures referenced to InterQual criteria

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Medically Necessary and Not Medically Necessary TMJ Services

Medically necessary non-surgical TMJ services

Covered when ALL of the following non‑surgical treatments are being used appropriately for temporomandibular joint (TMJ) disorders, as supported by the evidence cited in this policy:

ALL of the following

Arthrocentesis
See evidence section (systematic reviews and RCTs cited).
Intra-articular injections of corticosteroids
May be performed alone or in conjunction with arthrocentesis per literature.
Trigger point injections
Includes dry needling or wet needling (local anesthetic, PRP, etc.) as described in evidence.
Physical therapy
Includes manual therapy, exercises, and craniomandibular manual therapy (CMMT) as supported by trials.
Occlusal splint (stabilization and repositioning splints)
Includes stabilization/night guards and mandibular repositioning splints.

Medically necessary surgical TMJ services (conditional)

The following surgical TMJ procedures may be medically necessary in specific clinical circumstances; determination of medical necessity should reference InterQual clinical coverage criteria:

ANY of the following

Arthroscopy, Temporomandibular Joint (TMJ)
See InterQual CP: Procedures
Discectomy, Temporomandibular Joint (TMJ)
See InterQual CP: Procedures
Reconstruction, Temporomandibular Joint (TMJ)
See InterQual CP: Procedures
Arthroplasty, Temporomandibular Joint (TMJ) (Custom) - UHG
See InterQual Client Defined CP: Procedures

Services considered unproven and not medically necessary

The following services are considered unproven and not medically necessary due to insufficient evidence of efficacy:

ANY of the following

Biofeedback
Craniosacral manipulation/therapy
Jaw mobility mechanical stretching devices (e.g., TheraBite, Jaw Dynasplint)
Multiple occlusal splints used concurrently (e.g., daytime and nighttime; maxillary and mandibular)
Epigenetic appliances (e.g., Homeoblock, DNA, ALF appliances)

Unproven / Not Medically Necessary Services (as revised)

UnitedHealthcare identifies specific devices and appliance categories that are considered unproven or not medically necessary; rationale is provided for each example:

ALL of the following

Jaw mobility mechanical stretching devices (examples: TheraBite Jaw Motion Rehabilitation System®, Jaw Dynasplint® System) - listed as unproven and not medically necessary due to insufficient evidence and poor compliance in prevention studies.
Policy revision replaced prior terminology with 'jaw mobility mechanical stretching devices' and cites trials with limited efficacy and low compliance.
Epigenetic appliances (examples updated to include Advanced Lightwire Functional (ALF) appliances) - no quality evidence identified to support efficacy for TMD.
Policy revision added ALF to examples; literature review found no quality evidence to establish benefit.

Clinical guidance from specialty organizations cited

Summaries of professional society guidance cited in this policy:

ANY of the following

AADOCR: recommends initial treatment of TMD be conservative, reversible, evidence-based; many conservative modalities provide symptomatic relief and invasive therapies are not uniformly effective.
AAOMS: surgical intervention for internal derangement is indicated only after ineffective nonsurgical therapy and when pain and/or dysfunction are moderate to severe; surgery is not indicated for asymptomatic or minimally symptomatic patients or for preventive reasons; pretreatment therapeutic goals should be individualized.

Codes Referenced (Informational)

CPT / HCPCS codes referenced (informational list)mixed

20552	Injection(s); single or multiple trigger point(s), 1 or 2 muscle(s)
20553	Injection(s); single or multiple trigger point(s), 3 or more muscles
20605	Arthrocentesis, aspiration and/or injection, intermediate joint or bursa; without ultrasound guidance
20606	Arthrocentesis ... with ultrasound guidance, with permanent recording and reporting
21010	Arthrotomy, temporomandibular joint
21050	Condylectomy, temporomandibular joint (separate procedure)
21060	Meniscectomy, partial or complete, temporomandibular joint (separate procedure)
21070	Coronoidectomy (separate procedure)
21085	Impression and custom preparation; oral surgical splint
21089	Unlisted maxillofacial prosthetic procedure

1–10 of 27

1/3

Devices and device classes mentioned (informational)mixed

LZD, MPI	FDA product codes referenced for TMJ prostheses (informational)
BXB	FDA product code referenced for continuous passive motion (CPM) machines (informational)

What Providers Must Do / Expect

Documentation Required

Refer to InterQual criteria for surgical TMJ procedures

Medical necessity for the listed TMJ surgical procedures is determined by InterQual clinical criteria; when requesting authorization or review, document the specific InterQual criteria that support the medical necessity determination for the procedure.

29800
29804
21010
21240
21243

Documentation Required

Noncoverage rationale and supporting evidence

If using or considering jaw mobility mechanical stretching devices or epigenetic appliances, document the device/appliance use and retain clinical justification when seeking an exception to policy, noting that evidence cited in the policy shows limited efficacy or poor compliance for these devices. Include documentation of prior conservative therapies attempted when relevant to the clinical decision or when seeking surgical referral or exception.

Clinical Background and Evidence Summary

Temporomandibular disorders (TMD) encompass a diverse set of conditions affecting the temporomandibular joint (TMJ) and surrounding musculature and commonly present with pain at rest or with function, limited range of motion, and TMJ noises such as clicking, popping, or crepitus. Many TMDs may improve or resolve over time and initial management emphasizes conservative measures including NSAIDs, soft diet and jaw rest, moist heat, muscle relaxants, splints, physical therapy, and behavioral measures (e.g., education) prior to more invasive interventions. Failure of conservative measures may lead to consideration of injection therapies or surgery, and experts recommend using the most conservative, reversible treatments possible as first-line care. (AADOCR; AAOMS guidance).

The policy identifies a group of non‑surgical treatments considered proven and medically necessary in appropriate clinical contexts: arthrocentesis, intra‑articular corticosteroid injections, trigger point injections (including dry needling or wet needling techniques), physical therapy (including craniomandibular manual therapy, exercise, and multimodal PT approaches), and occlusal splints (stabilization/night guards and mandibular repositioning devices). These services are supported by systematic reviews and randomized trials cited in the evidence base documenting benefit for pain relief, improved maximum mouth opening, or functional improvement in specified patient populations.

The policy cites systematic reviews, network meta-analyses, and randomized controlled trials that inform these conclusions: evidence on arthrocentesis demonstrates improved pain and mouth‑opening outcomes in several trials and reviews (including comparisons versus splint therapy and studies assessing arthrocentesis with adjunctive injections), evidence on corticosteroid intra‑articular injections and injections given with arthrocentesis shows improved pain and, in some analyses, improved MMO over intermediate follow-up, randomized and pooled analyses support benefit of trigger point needling/injections for myofascial pain, and multiple RCTs and systematic reviews demonstrate benefit when physical therapy is added to splint therapy or used as part of multimodal care. Likewise, systematic reviews of occlusal splint therapies identify short‑term benefits for pain and function.

Defined Terms

Definitions

ArthrocentesisLavaging of the temporomandibular joint (TMJ) to remove inflammatory debris; may be performed with or without adjunctive injections such as corticosteroids or hyaluronic acid.

Occlusal splintA removable appliance (stabilization/night guard or mandibular repositioning device) used to reduce clenching/bruxism and reposition the jaw.

Trigger point injectionInjection into focal myofascial trigger points to reduce muscle tension; may be dry needling or include substances such as local anesthetic, corticosteroid, dextrose, or PRP.

Unproven / not medically necessaryInterventions for which the policy found insufficient evidence of efficacy or safety to support coverage (examples include biofeedback, craniosacral therapy, jaw mobility devices, multiple concurrent splints, and epigenetic appliances).

Jaw mobility mechanical stretching devicesMechanical devices designed to stretch the jaw (examples: TheraBite, Jaw Dynasplint) intended for treatment or prevention of trismus/TMD.

Policy Updates

2025-04-01Policy revisionLatest

Revised the list of unproven and not medically necessary services: replaced wording for passive rehabilitation/low-load stretch devices with 'jaw mobility mechanical stretching devices (e.g., TheraBite Jaw Motion Rehabilitation System®, Jaw Dynasplint® System)' and updated examples of epigenetic appliances to add 'Advanced Lightwire Functional (ALF) appliances'; supporting information (Description of Services, Clinical Evidence, References) was updated.

Archived previous version (prior to 2025-04-01)Administrative - version archived

Previous policy version CS195NJ.E was archived when the updated policy (CS195NJ.F) was issued.

201? (see history entries)

Policy Summary

PayerUnitedHealthcare

PolicyTreatment of Temporomandibular Joint Disorders (TMJ/TMD) — New Jersey

Policy CodePolicy CS195NJ.F

Change TypeWording/consolidation and examples updated

Effective DateApr 1, 2025

Next Review Date

SourceLink

On This Page

Prior Authorization

Device/surgery prior authorization implication

Surgical interventions and certain device requests are expected to be preceded by and documented with trials of conservative, nonsurgical therapy; when requesting prior authorization, be prepared to supply records of conservative therapy attempts and reference this policy (and InterQual criteria) in the authorization request.

Include documentation of conservative treatments tried (e.g., NSAIDs, soft diet, jaw rest, physical therapy, splints, injections)
Reference the policy and applicable InterQual criteria when submitting authorization requests

This background frames the policy approach: conservative, reversible therapies are favored first-line and specific minimally invasive and non‑surgical procedures listed above are recognized as medically necessary when clinically appropriate. Surgical TMJ procedures are addressed separately and are considered medically necessary in selected circumstances when InterQual clinical criteria are met. The policy text and recent revisions consolidate evidence summaries and update the lists of unproven therapies and device examples to reflect current literature and guideline positions.