Health care service contractors 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.
RCW 48.44.465
Findings-Effective date-1993 c 253: See notes following RCW 48.20.525.