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Claims and billing

Our goal is to help you get paid in a timely fashion. Use the tools in this section to help you submit your claims quickly and easily.

Stay up-to-date on what's happening with billing and claims.

Sign up / view Provider Alerts


You file all claims through the ProviderOne portal. To learn more about using ProviderOne to file your claims, use our ProviderOne resources section. In addition to the ProviderOne Billing and Resource Guide, you will find:

  • User manuals
  • Fact sheets
  • Webinars

Rates, fee schedules, and provider billing guides

Rates and fee schedules provide you with the codes and allowable amounts for a given service.

Provider billing guides give detailed information for each Medicaid program. Information includes:

  • Updates and changes
  • Program overview
  • Client eligibility
  • Provider eligibility or responsibilities
  • Authorization
  • Coverage

View professional rates, fee schedules, and provider billing guides.

View hospital rates, fee schedules, and provider billing guides.

ICD-10 billing codes

ICD-10 is the tenth version of the International Classification of Diseases (ICD) medical classification list. For information on ICD-10 codes, visit the Centers for Medicare and Medicaid website.


For questions about professional rates
Email: ProfessionalRates@hca.wa.gov

For questions about hospital rates
Contact the Office of Hospital Finance

For questions about ICD-10 code implementation
Email: mmishelp@hca.wa.gov