Applied behavior analysis (ABA) services assist individuals and their families using the practice of behavior analysis as defined in RCW 18.380.010.

(1) An agency providing ABA services must:

(a) Conduct an assessment that determines functional relations between behavior and environmental factors;

(b) Develop an ABA treatment plan;

(c) Maintain an individual's individual service record that contains documentation of the following:

(i) The name of the agency or other sources through which the individual was referred, if applicable;

(ii) An assessment;

(iii) A copy of the ABA treatment plan, including progress notes;

(iv) Any referral made to a more intensive level of care when appropriate;

(v) Consent to include the individual's family members, significant others, and other relevant treatment providers as necessary to provide support to the individual;

(vi) A brief summary of each service encounter, including the date, time, and duration of the encounter;

(vii) Name(s) of participant(s), including the name of the individual who provided the service;

(viii) Any information or copies of documents shared by or with a behavioral health agency or credentialed behavioral health professional; and

(ix) Discharge information as follows:

(A) A discharge statement if the individual left without notice; or

(B) Discharge information for an individual who did not leave without notice, completed within seven working days of the individual's discharge, including the date of discharge and continuing care plan.

(2) ABA agencies that bill Medicaid must also follow the requirements administered by the health care authority as described in chapter 182-531A WAC.

(3) The ABA treatment plan must:

(a) Be developed and maintained by a licensed behavior analyst (LBA);

(b) Identify the services to be delivered by the LBA, licensed assistant behavior analyst (LABA) and the certified behavior technician (CBT), if the agency employs a LABA or CBT;

(c) Be comprehensive and document treatment being provided by other health care professionals; and

(d) Document how all treatment will be coordinated, as applicable, with other members of the health care team.

(4) An agency certified to provide ABA services must employ a LBA that meets the professional requirements in chapter 246-805 WAC.

(5) All staff providing ABA services must be credentialed and supervised according to chapter 18.830 RCW and chapter 246-805 WAC.