(a) For purposes of the administration of the medical assistance programs by the Department of Social Services, “medically necessary” and “medical necessity” mean those health services required to prevent, identify, diagnose, treat, rehabilitate or ameliorate an individual’s medical condition, including mental illness, or its effects, in order to attain or maintain the individual’s achievable health and independent functioning provided such services are: (1) Consistent with generally-accepted standards of medical practice that are defined as standards that are based on (A) credible scientific evidence published in peer-reviewed medical literature that is generally recognized by the relevant medical community, (B) recommendations of a physician-specialty society, (C) the views of physicians practicing in relevant clinical areas, and (D) any other relevant factors; (2) clinically appropriate in terms of type, frequency, timing, site, extent and duration and considered effective for the individual’s illness, injury or disease; (3) not primarily for the convenience of the individual, the individual’s health care provider or other health care providers; (4) not more costly than an alternative service or sequence of services at least as likely to produce equivalent therapeutic or diagnostic results as to the diagnosis or treatment of the individual’s illness, injury or disease; and (5) based on an assessment of the individual and his or her medical condition.

(b) Clinical policies, medical policies, clinical criteria or any other generally accepted clinical practice guidelines used to assist in evaluating the medical necessity of a requested health service shall be used solely as guidelines and shall not be the basis for a final determination of medical necessity.

(c) Upon denial of a request for authorization of services based on medical necessity, the individual shall be notified that, upon request, the Department of Social Services shall provide a copy of the specific guideline or criteria, or portion thereof, other than the medical necessity definition provided in subsection (a) of this section, that was considered by the department or an entity acting on behalf of the department in making the determination of medical necessity.

(d) The Department of Social Services shall amend or repeal any definitions in the regulations of Connecticut state agencies that are inconsistent with the definition of medical necessity provided in subsection (a) of this section, including the definitions of medical appropriateness and medically appropriate, that are used in administering the department’s medical assistance program. The commissioner shall implement policies and procedures to carry out the provisions of this section while in the process of adopting such policies and procedures in regulation form, provided notice of intent to adopt the regulations is published in the Connecticut Law Journal not later than twenty days after implementation. Such policies and procedures shall be valid until the time the final regulations are adopted.