RCW 70.01.020: Donation of blood by person sixteen or over—Parental consent.

(1) Any person of the age of 18 years or over shall be eligible to donate blood, including donation through apheresis, in any voluntary and noncompensatory blood program without the necessity of obtaining parental permission or authorization.

(2) Any person between the ages of 16 and 17 years old shall be eligible to donate blood, including donation through apheresis, in any voluntary and noncompensatory blood program after obtaining parental or legal guardian permission or authorization.