The physician assistant, having recognized the progression of a patient from the subacute phase to the chronic phase, shall develop an opioid treatment plan as follows:

(1) Treatment plan and objectives including:

(a) Documentation of any medication prescribed;

(b) Biologic specimen testing ordered;

(c) Any labs, diagnostic evaluations, referrals, or imaging ordered;

(d) Other planned treatments; and

(e) Written agreement for treatment as provided in WAC 246-918-865.

(2) The physician assistant shall complete patient notification in accordance with the provisions of WAC 246-918-815 or provide this information in the written agreement.