2023 Washington Code 18.74.015 – Referral to health care practitioners — When required

2022 Washington Code 18.74.015 – Referral to health care practitioners–When required

2020 Washington Code 18.74.015 – Referral to health care practitioners — When required

2019 Washington Code 18.74.015 – Referral to health care practitioners — When required

2018 Washington Code 18.74.015 – Referral to health care practitioners — When required

2016 Washington Code 18.74.015 – Referral to health care practitioners–When required

2015 Washington Code 18.74.015 – Referral to health care practitioners–When required

2014 Washington Code 18.74.015 – Referral to health care practitioners — When required

2013 Washington Code 18.74.015 – Referral to health care practitioners — When required

2009 Washington Code 18.74.015 – Referral to health care practitioners — When required