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Oregon Administrative Rules



During audits, OHA reviews the provider's records to ensure documentation and billing follows the Oregon Administrative Rules that were in effect on the date of service being audited.

The Authority's Health Systems Division maintains the Oregon Administrative Rules related to billing Oregon Medicaid and managing mental health services.

Medicaid (Division 410) Rules


​To search for the rules that were in effect for your audited service dates, please refer to the Oregon Secretary of State website. OHA no longer maintains the administrative rulebooks.

  • Click the program name, then click the rule you want to view.
  • The current rule will display. To view previous revisions of the rule, click the revision date(s) at the bottom of the rule page. Revisions are available back to 2017.
  • If you need older revisions, please email
  • If you have problems accessing older revisions not available on the SOS website, please email

Mental Health (Division 309) Rules


​Search the following list for the rules that were in effect for your audited service dates. For example, if your audited service dates were in September 2015, you would choose the rules filed through January 1, 2016.

 Filed through Dec. 15, 2011
 Filed through March 15, 2013
 Filed through April 15, 2013
 Filed through Oct. 15, 2013
 Filed through Nov. 15, 2013
 Fiiled through Jan. 15, 2015
 Filed through Feb. 15, 2015
 Filed through March 15, 2015
 Filed through April 15, 2015
 Filed through May 15, 2015
 Filed through June 15, 2015
 Filed through Aug. 15, 2015
 Filed through Jan. 15, 2016
 Filed through Feb. 15, 2016
 Filed through March 15, 2016
 Filed through April 15, 2016
 Filed through May 15, 2016
 Filed through June 15, 2016
 Filed through Oct. 15, 2016
 Filed through Feb. 15, 2017