WA HB1159

Expands the crime of endangerment with a controlled substance from only methamphetamine-related chemicals to any controlled substance other than cannabis

Changes the mental state requirement from "knowingly or intentionally" to "knowingly or recklessly" permitting a child or dependent adult to ingest, inhale, absorb, or have contact with controlled substances

Removes "exposure to" controlled substances as a basis for the crime, now requiring actual ingestion, inhalation, absorption, or contact

Provides affirmative defenses for controlled substances administered during health care services or obtained through valid prescriptions from practitioners

Maintains endangerment with a controlled substance as a class B felony and adds a statutory definition of "controlled substance" referencing RCW 69.50.101