WA. REV. CODE ANN. § 9A.36.021. ASSAULT IN THE SECOND DEGREE
(1) A person is guilty of assault in the second degree if he or she, under circumstances not amounting to assault in the first degree:
(g) Assaults another by strangulation or suffocation.
(2)(a) Except as provided in (b) of this subsection, assault in the second degree is a Class B felony.
(b) Assault in the second degree with a finding of sexual motivation under RCW 9.94A.835 or 13.40.135 is a Class A felony.
WA. REV. CODE ANN. § 9A.04.110. DEFINITIONS
(26) “Strangulation” means to compress a person’s neck, thereby obstructing the person’s blood flow or ability to breathe, or doing so with the intent to obstruct the person’s blood flow or ability to breathe;
(27) “Suffocation” means to block or impair a person’s intake of air at the nose and mouth, whether by smothering or other means, with the intent to obstruct the person’s ability to breathe.
RCW 7.68.803. NONFATAL STRANGULATION–PAYMENT OF COSTS FOR MEDICAL EXAMINATION