Washington Revised Code Title 70. Public Health and Safety § 70.126.020. Home health care--Services and supplies included, not included

(a) Be delivered by a registered nurse, physical therapist, occupational therapist, speech therapist, or home health aide on a part-time or intermittent basis;

(b) Include, as applicable under the written plan, supplies and equipment such as:

(a) Licensed practical nurses;

(b) Respiratory therapists;

(c) Social workers holding a master's degree or further advanced degree from a social work educational program accredited and approved as provided in RCW 18.320.010;

(d) Ambulance service that is certified by the physician as necessary in the approved plan of treatment because of the patient's physical condition or for unexpected emergency situations.

(a) Nonmedical, custodial, or housekeeping services except by home health aides as ordered in the approved plan of treatment;

(b) “Meals on Wheels” or similar food services;

(c) Nutritional guidance;

(d) Services performed by family members;

(e) Services not included in an approved plan of treatment;

(f) Supportive environmental materials such as handrails, ramps, telephones, air conditioners, and similar appliances and devices.