Requires a health plan offered to employees and their dependents under chapter 41.05 RCW (state health care authority), issued or renewed on or after January 1, 2018, to include coverage for hearing instruments when medically necessary.

Requires medical assistance coverage offered under chapter 74.09 RCW (medical care), issued or renewed on or after January 1, 2018, to include coverage for hearing instruments when medically necessary.