Washington Medicaid ABA Rates: 97153 and Every ABA Code \| StreamABA [ ![StreamABA](https://streamaba.com/build/assets/logo-dark-Bta4omRy.svg) ](/) [Home](https://streamaba.com) [Blog](https://streamaba.com/blog) [ Log in ](https://streamaba.com/login) [ Goto the Live Demo ](#get-started) [Home](https://streamaba.com) [Blog](https://streamaba.com/blog) [Log in](https://streamaba.com/login) [ Goto the Live Demo ](#get-started) ABA Medicaid rates · Washington Washington Medicaid *ABA rates.* ================================== Washington Apple Health (Medicaid) FFS - ABA. Fee-for-service rates as the state publishes them, with the source and the date we last checked it. Website Work email Goto the Live Demo Rates by code What Washington Medicaid *pays.* -------------------------------- Published. The state publishes a fee-for-service rate for these codes. Code Modifier / provider tier Unit Rate 97151 Behavior identification assessment (QHP) All providers LBAT only; limit 28 units per assessment, 2 assessments per year. 15 min $18.79 97152 Supporting assessment (technician) All providers Not on the ABA fee schedule. 15 min — 97153 Adaptive behavior treatment by protocol (technician) All providers PA required. 15 min $12.40 97155 Treatment with protocol modification (QHP) All providers Requires LBAT involvement. 15 min $14.09 97156 Family treatment guidance (QHP) All providers LBAT required; client caregiver. 15 min $18.32 0362T Supporting assessment for severe behavior (team) All providers LBAT plus 2 or more CBTs, LBAT on-site; limit 2-hour assessments, 3 per calendar year per client per provider. 15 min $58.80 0373T Treatment for severe behavior (team) All providers PA required. LBAT plus 2 or more CBTs, LBAT on-site; do not bill with 97155 or 97153. 15 min $24.11 97154 Group treatment by protocol (technician) Modifier UN 2 clients; fee per client (ABA Group tab, headed 'Effective January 1, 2026'). PA required. 15 min $12.40 Modifier UP 3 clients; fee per client (ABA Group tab, headed 'Effective January 1, 2026'). PA required. 15 min $11.41 Modifier UQ 4 clients; fee per client (ABA Group tab, headed 'Effective January 1, 2026'). PA required. 15 min $10.50 Modifier UR 5 clients; fee per client (ABA Group tab, headed 'Effective January 1, 2026'). PA required. 15 min $9.66 Modifier US 6+ clients; fee per client (ABA Group tab, headed 'Effective January 1, 2026'). PA required. 15 min $8.88 97157 Multiple-family group guidance (QHP) Modifier UN 2 clients; fee per client (ABA Group tab, headed 'Effective January 1, 2026'). 15 min $10.34 Modifier UP 3 clients; fee per client (ABA Group tab, headed 'Effective January 1, 2026'). 15 min $9.52 Modifier UQ 4 clients; fee per client (ABA Group tab, headed 'Effective January 1, 2026'). 15 min $8.74 Modifier UR 5 clients; fee per client (ABA Group tab, headed 'Effective January 1, 2026'). 15 min $8.05 Modifier US 6+ clients; fee per client (ABA Group tab, headed 'Effective January 1, 2026'). 15 min $7.41 97158 Group treatment with protocol modification (QHP) Modifier UN 2 clients; fee per client (ABA Group tab, headed 'Effective January 1, 2026'). PA required. 15 min $12.40 Modifier UP 3 clients; fee per client (ABA Group tab, headed 'Effective January 1, 2026'). PA required. 15 min $11.41 Modifier UQ 4 clients; fee per client (ABA Group tab, headed 'Effective January 1, 2026'). PA required. 15 min $10.50 Modifier UR 5 clients; fee per client (ABA Group tab, headed 'Effective January 1, 2026'). PA required. 15 min $9.66 Modifier US 6+ clients; fee per client (ABA Group tab, headed 'Effective January 1, 2026'). PA required. 15 min $8.88 How we read this state's schedule --------------------------------- Single rate per code, no credential tiers; group codes are priced per client by group-size modifier (UN 2, UP 3, UQ 4, UR 5, US 6+). The group-rate tab in the July 2026 file is headed 'Effective January 1, 2026'. LBAT = lead behavior analysis therapist; CBT = certified behavior technician. Most Apple Health clients are in managed care and MCO rates may differ. Also lists H2020 per diem ($571.30) for day-program/clinic ABA, not captured here. Program Washington Apple Health (Medicaid) FFS - ABA Effective date 2026-07-01 Last reviewed 2026-09-30 Source [HCA ABA Treatment Fee Schedule, Effective July 1, 2026 (last updated July 29, 2026)](https://www.hca.wa.gov/assets/billers-and-providers/aba-20260701.xlsx) National median · 97153 $15.04 per 15-min unit Washington: $12.40 at the same tier. Across 40 states, at the technician tier or the single rate where a state has no tiers. [How we count](https://streamaba.com/tools/aba-medicaid-rates#methodology) [Compare every state](https://streamaba.com/tools/aba-medicaid-rates) Read this before you rely on a number ------------------------------------- - These are Washington Medicaid fee-for-service rates as published by the state. They are not commercial insurance rates and not managed care plan rates. - This page is general information, not billing, coding or legal advice. - Fee schedules change, often without notice. Verify every rate with the state Medicaid agency, or with the plan you bill, before you rely on it. - CPT is a registered trademark of the American Medical Association. Code names here are our own short descriptions. Spotted a change or an error? [Tell us](https://streamaba.com/support) and we will re-check the source. Live demo · No sales call Bill the rate you're actually owed. ------------------------------------- StreamABA keeps each payer's fee schedule, authorizations and claims in one place, so every session bills at the right rate. Get instant access to the live demo. No sales call, no meeting. HIPAA compliant · Signed BAA · Built for ABA Website Work email Goto the Live Demo ![](https://streamaba.com/build/assets/icon-BglRoXWC.svg) [ ![StreamABA](https://streamaba.com/build/assets/logo-dark-Bta4omRy.svg) ](/) The all-in-one practice management platform built specifically for ABA therapy providers. 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