MedicaidAdministrativeMedium impact
Mental Health Services Billing Guide Updates, effective April 1, 2026
Washington Apple Health·WA · Psychiatry·Billing Guide
Effective date
Apr 1, 2026
We identified it
Jun 20, 2026
Summary
Washington State Health Care Authority updated the Mental Health Services Billing Guide effective April 1, 2026, adding new sections for individual treatment, PACT services, and updated billing instructions for civil commitment programs. Mental health providers must review the updated guide to ensure compliance with new billing requirements.
Action Required
Before April 1, 2026: Mental health billing staff must review the updated Mental Health Services Billing Guide available on the HCA Provider billing guides page. Update billing procedures to incorporate new individual treatment section requirements, PACT services billing protocols, and revised interim/split billing instructions for civil commitment 90- or 180-day programs. Ensure staff handling contracted bed admissions are trained on new SAW processing requirements.