Sensory Integration Therapy (SIT) and Auditory Integration Therapy (AIT) — Coverage Criteria
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Provides coverage stance for sensory integration therapy (SIT) and auditory integration therapy (AIT) for commercial products, specifying medical necessity determinations for treatment of developmental disorders including autism.
No material clinical or coverage changes in this revision.
Coverage Criteria — Sensory & Auditory Integration Therapy
Not medically necessary
Covered when ALL of the following are met:
CPT 97533 is explicitly listed as not medically necessary for Commercial Products.
This policy is applicable to Commercial Products only. It does not apply to Medicaid or other non‑commercial product lines; benefit coverage and contract terms may differ for those products. Providers should verify member-specific benefits and contract language in the member's Benefit Booklet, Evidence of Coverage, or Subscriber Agreement when determining applicability.
For Commercial Products, sensory integration therapy (SIT) and auditory integration therapy (AIT) when used to treat children or adults with autism, intellectual disability (mental retardation), or learning disabilities are considered not medically necessary because the evidence is insufficient to determine effects on health outcomes. CPT code 97533 (sensory integrative techniques, each 15 minutes) is explicitly listed as not medically necessary for Commercial Products and claims may be denied.
Coding
| 97533 | Sensory integrative techniques to enhance sensory processing and promote adaptive responses to environmental demands, direct (one-on-one) patient contact by the provider, each 15 minutes. |
Provider Actions / Billing Guidance
Prior authorization not applicable
Prior authorization is not required for services under this policy; prior authorization does not apply.
No step therapy / medical criteria specified
This policy does not specify any step therapy requirements or medical-necessity criteria to be met prior to providing SIT or AIT.
Verify member benefits and contract language
Verify member benefits and applicable contract language before providing services; benefits and coverage may vary by group or contract and the member's subscriber agreement or employer agreement governs.
- Check the appropriate Benefit Booklet, Evidence of Coverage, or Subscriber Agreement for not medically necessary benefits/coverage.
- For member-specific eligibility or benefit questions, call the provider call center as referenced in the subscriber documents.
Denial risk for SIT/AIT for developmental disorders
Claims for sensory integration therapy (SIT) and auditory integration therapy (AIT) when billed as treatment for autism, mental retardation (intellectual disability), or learning disabilities are considered not medically necessary and may be denied; CPT 97533 is listed as not medically necessary for Commercial Products.
- Do not expect coverage for CPT 97533 for Commercial Products when used to treat autism, intellectual disability, or learning disabilities.
Background
Sensory integration therapy (SIT) is an individualized therapeutic approach, typically provided by occupational or physical therapists certified in SIT, that uses activities (for example, swings, textured materials, or proprioceptive input) intended to improve how the brain processes vestibular, proprioceptive, and tactile information and promote adaptive responses to environmental demands. Auditory integration therapy (AIT) involves gradual exposure to or listening to modified sounds or music with the goal of reducing auditory hypersensitivity and improving communication and behavior in certain developmental disorders, particularly autism. The policy notes that the current evidence base is insufficient to establish net health benefit for these therapies in autism and related developmental conditions.
Definitions
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