Iowa Medicaid

MedicaidIA

ABA billing requirements · Source: Iowa Medicaid — ABA Services Informational Letter

High confidence

Verified 2026-03-01

Authorization Requirements

Requires prior auth Yes

Initial auth durationN/A

Renewal auth durationN/A

Submission deadlineN/A

Unit tracking cadenceTotal

Requires FBA Yes

Diagnostic eval validityN/A

Re-eval cadenceN/A

Documentation Requirements

Parent signatures required Yes

Start/stop times required Yes

Treatment plan componentsBaseline data, Target behaviors, Methods

Progress summary cadenceEvery 6 months

Policy Notes

This informational letter (IL) replaces IL 1980-MC-FFS. This letter is intended to clarify coding and FFS reimbursement for ABA services. The codes 97155, 97157 and 97158 have been added for use.

CPT & Modifier Rules

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View H-codes, modifiers, unit limits, and billing restrictions for Iowa Medicaid.

Official policy source:Iowa Medicaid — ABA Services Informational Letter

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Data last verified: 2026-03-01 · Confidence: High · See our methodology

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