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PT 42-26: Updates to ABA Combination of Service Rules and Discontinuation of H2012
Act
by Jan 1, 2026
Effective date
Jan 1, 2026
Identified
Jun 18, 2026
Summary
Maryland Medicaid is updating ABA service billing rules effective January 1, 2026 to allow combination billing with most behavioral health services (except codes 96156, 96158, 96159, and 90870), and discontinuing procedure code H2012 effective February 1, 2026 with functions moved to codes 97151 and 97156.
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What to do
by Jan 1, 2026 · 4 steps
01Billing team must update system to allow ABA services to be billed same-day with behavioral health services except codes 96156, 96158, 96159, and 90870.
02By February 1, 2026: Stop using H2012 for ABA treatment planning and transition to using 97151 for treatment planning and 97156 for coordination of care.
03Update billing software to block H2012 authorization requests after January 31, 2026.
04Existing H2012 authorizations remain valid through their end dates.
Codes mentioned
96156961589615990870H20129715197156
Original notice
PT 42-26: Updates to ABA Combination of Service Rules and Discontinuation of H2012
health.maryland.gov · Always check the source before changing claims.
Related changes
See all Maryland Medicaid changes →Updates to ABA Combination of Service Rules and Discontinuation of H2012HighEffective Jan 1, 2026 · ABAGuidance on the Continuation of Telehealth for ABA ServicesHighEffective Nov 1, 2021 · Provider TransmittalRate Increase for Certain School-Based Services Covered Under an IEP/IFSPHighEffective Nov 1, 2021 · Provider TransmittalUpdates to ABA TelehealthHighEffective Apr 1, 2026 · ABABrowse every Maryland Medicaid change in the policy list