Tennessee Code Title 56. Insurance § 56-7-3707

(1) Be based on nationally recognized, generally accepted standards for national, clinical criteria, except where state law provides its own standard;

(2) Not be arbitrary and must be cited by the utilization review organization;

(3) Be developed in accordance with the current standards of a national medical accreditation entity;

(4) Ensure quality of care and access to needed healthcare services;

(5) Be evidence-based;

(6) Be sufficiently flexible to allow deviations from norms when justified on a case-by-case basis; and

(7) Be evaluated and updated in accordance with § 56-7-3718.