Mississippi Medicaid

MedicaidMS

ABA billing requirements · Source: Mississippi Medicaid — IDDD Waiver ABA Coverage

Medium 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 validity24 months

Re-eval cadenceN/A

Documentation Requirements

Parent signatures required Yes

Start/stop times required Yes

Treatment plan componentsBehavior Support Plan development

Progress summary cadenceEvery 6 months

Policy Notes

Functional Behavioral Assessments are updated every two (2) years. Behavior Support is not restricted by age, but cannot replace educationally related services available under EPSDT, IDEA, or other sources. Direct intervention cannot be reimbursed in a school setting. Behavior Support cannot be billed for a person receiving Behavioral Supervised Living.

CPT & Modifier Rules

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

Official policy source:Mississippi Medicaid — IDDD Waiver ABA Coverage

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

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