Versions of Washington Code 18.205.170 - Co-occurring disorder specialist enhancement -- Review, analysis, and report on LawServer 2023 Washington Code 18.205.170 – Co-occurring disorder specialist enhancement — Review, analysis, and report 2022 Washington Code 18.205.170 – Co-occurring disorder specialist enhancement–Review, analysis, and report 2020 Washington Code 18.205.170 – Co-occurring disorder specialist enhancement — Review, analysis, and report 2019 Washington Code 18.205.170 – Co-occurring disorder specialist enhancement — Review, analysis, and report