Prescriptions — Preapproval of individual claims — Subsequent rejection prohibited — Written record required.
RCW 48.46.535
in effectHealth maintenance organizations who through an authorized representative have first approved, by any means, an individual prescription claim as eligible may not reject that claim at some later date. Pharmacists or drug dispensing outlets who obtain preapproval of claims shall keep a written record of the preapproval that consists of identification by name and telephone number of the person who approved the claim.
Health maintenance organizations who through an authorized representative have first approved, by any means, an individual prescription claim as eligible may not reject that claim at some later date. Pharmacists or drug dispensing outlets who obtain preapproval of claims shall keep a written record of the preapproval that consists of identification by name and telephone number of the person who approved the claim.
Source: WA Statutes (Official Site)URL: https://app.leg.wa.gov/RCW/default.aspx?cite=48.46&full=trueFetched: 6/29/2026