MedicaidAdministrativeMedium impact
Updated Maternity Support Services (MSS) Billing Guide, effective February 28, 2026
Washington Apple Health·WA · OB-GYN, Family Medicine, Pediatrics·Billing Guide
Effective date
Feb 28, 2026
We identified it
Jun 20, 2026
Summary
Washington State Health Care Authority updated the Maternity Support Services (MSS) billing guide effective February 28, 2026, adding Tribal Health Clinics as eligible MSS providers, updating screening requirements, and adding coverage for care coordination with birth doulas. The update also includes additional payment for risk factor screening visits and postpartum nurse home visits.
Action Required
Before February 28, 2026: MSS providers must review and implement updated screening requirements using the online MSS Screening Tool through Secure Access Washington (SAW). Update billing workflows to include new payment options for risk factor screening visits and postpartum nurse home visits. Contact the MSS program manager for specific information on the online screening tool requirements.