Cognitive Rehabilitation and Coma Stimulation (for Tennessee Only)
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Outpatient cognitive rehabilitation services and coma stimulation for Tennessee Medicaid and CoverKids members; defines coverage stance and clinical evidence for these services.
Updated definition of Cognitive Rehabilitation and Coma Stimulation and updated supporting information sections including Description of Services, Clinical Evidence, and References.
Coverage Criteria
Cognitive Rehabilitation (Outpatient)
Covered when ALL of the following are met:
Providers should reference InterQual LOC for specific clinical criteria and documentation requirements.
Coma Stimulation
Not medically necessary when:
Applies to all coma stimulation programs per this policy.
Coma Stimulation programs (also described as coma arousal, coma responsiveness, multisensory stimulation, and coma care therapy/programs) are excluded as not medically necessary. The policy states these interventions are unproven and lack sufficient evidence of efficacy for any Disorder of Consciousness, therefore they are not covered under this outpatient policy.
The American Academy of Neurology (AAN) practice guideline (2018; reaffirmed 2021) addressing prolonged disorders of consciousness does not endorse stimulation as a recommended treatment modality. The guideline does not identify established therapies for children with prolonged disorders of consciousness and advises counseling families about the limitations of existing evidence for interventions that lack support.
Coma Stimulation (including coma arousal, multisensory stimulation, coma responsiveness, and structured coma care programs) is considered unproven and therefore not medically necessary for any Disorder of Consciousness due to insufficient evidence of clinical benefit.
Coding
| 97129 | Therapeutic interventions that focus on cognitive function (e.g., attention, memory, reasoning, executive function, problem solving, and/or pragmatic functioning) and compensatory strategies to manage the performance of an activity (e.g., managing time or schedules, initiating, organizing, and sequencing tasks), direct (one-on-one) patient contact; initial 15 minutes |
| 97130 | Therapeutic interventions that focus on cognitive function (e.g., attention, memory, reasoning, executive function, problem solving, and/or pragmatic functioning) and compensatory strategies to manage the performance of an activity (e.g., managing time or schedules, initiating, organizing, and sequencing tasks), direct (one-on-one) patient contact; each additional 15 minutes (List separately in addition to code for primary procedure) |
Provider Actions & Billing
Prior authorization & coding — InterQual determines cognitive rehab; coma stimulation not covered
Coverage for outpatient cognitive rehabilitation is based on medical necessity using InterQual® LOC: Outpatient Rehabilitation & Chiropractic; obtain prior authorization when required and document that InterQual criteria are met. Coma stimulation services are considered unproven and not medically necessary under this policy.
- Reference InterQual® LOC for specific clinical criteria and documentation requirements.
- Do not submit prior authorization expecting coverage for coma stimulation; policy designates these services not medically necessary.
Verify prior authorization with the member’s UnitedHealthcare plan
Verify the member’s specific UnitedHealthcare plan and any federal, state, or contractual benefit requirements before seeking authorization or delivering services, since plan terms govern coverage and may differ from this policy.
- Check the member’s plan documents and applicable federal/state/contractual requirements prior to submitting authorizations or claims.
- Use plan-specific tools (e.g., InterQual) as instructed by the plan to administer benefits.
Document InterQual determination and medical necessity for cognitive rehabilitation
Document and retain evidence that InterQual LOC criteria were applied and met for any outpatient cognitive rehabilitation services billed; ensure prior authorization (if required) cites those criteria.
- Include the specific InterQual LOC reference and clinical findings that satisfy those criteria in the authorization and medical record.
- Support medical necessity with objective assessment, treatment goals, and progress notes aligned to InterQual requirements.
Step therapy — follow plan-specific requirements if applicable
No explicit step therapy requirements are specified in this policy; follow any plan-level step therapy programs or utilization management tools if the member’s plan has them.
- If the member’s plan enforces step therapy, use the plan’s processes and tools to document prior steps and exceptions.
- This policy does not define or replace plan-specific step therapy protocols.
Coding & documentation notes — CPT 97129/97130; S9056 listed for coma stimulation
Bill cognitive rehabilitation using the appropriate CPT codes listed (e.g., 97129 for the initial 15 minutes and 97130 for each additional 15 minutes). Coma stimulation is listed with HCPCS S9056 (per diem) but is designated not medically necessary by this policy.
Document plan-specific coverage basis and rationale
When applying this policy to a member’s care, check and document any applicable federal, state, or contractual benefit provisions that influence coverage decisions; record the rationale when plan-specific requirements differ from this policy.
- Document the specific federal/state/contract clause or contract term relied upon when it changes the coverage determination.
- Retain plan documentation showing why coverage decisions deviate from the standard policy.
Denial risk — coma stimulation services are unproven and may be denied
Do not bill for coma stimulation expecting coverage—these services are identified as unproven and not medically necessary and claims may be denied on that basis.
- Coma stimulation (coma arousal, multisensory stimulation, coma care programs) is explicitly described as unproven and not medically necessary.
- Anticipate denial if submitting claims for coma stimulation without contrary contractual requirements.
Align coverage decisions with federal, state, or contractual requirements
Ensure coverage decisions and any deviations from this policy reference the governing federal, state, or contractual requirements, since those provisions supersede the standard policy when conflicts exist.
- Follow the member’s governing benefit documents; in the event of conflict, federal/state/contractual requirements govern coverage.
- Failure to follow applicable plan terms may affect coverage determinations.
Background — provider-impact context
Background: Cognitive rehabilitation is a proven, medically necessary outpatient service under InterQual criteria; coma stimulation uses multisensory stimuli but is considered unproven with insufficient evidence for Disorders of Consciousness.
- Use this background to inform documentation and discussions with patients/families about expected benefits and coverage limits.
Definitions
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