Washington Revised Code Title 48. Insurance § 48.43.0961. Continuity of coverage for health plans covering prescription drugs for behavioral health

(a) The carrier from requiring generic substitution during the current plan year;

(b) The carrier from adding new drugs to its formulary during the current plan year;

(c) The carrier from removing a drug from its formulary for reasons of patient safety concerns, drug recall or removal from the market, or medical evidence indicating no therapeutic effect of the drug; or

(d) A participating provider from prescribing a different drug that is covered by the plan and medically appropriate for the enrollee.

(a) “Refill” means a second or subsequent filling of a previously issued prescription.

(b) “Serious mental illness” means a mental disorder, as defined in the most recent edition of the diagnostic and statistical manual of mental disorders published by the American psychiatric association, that results in serious functional impairment that substantially interferes with or limits one or more major life activities.