(b) As used in this section, a "reasonable charge" may not exceed the sum of $5 for any billable service. Inmates shall be notified of the fee schedule, billable services and exempt services. Services initiated by the inmate shall be assessed a fee, except that no charge may be assessed for:
(1) A specific health care service required under the law of this state;
(2) An emergency service following a traumatic injury other than a self-induced injury, or necessary to prevent death or severe or permanent disability;
(3) Diagnosis and treatment of communicable diseases;
(4) Treatment of diagnosed severe mental illness;
(5) Treatment of specific chronic conditions identified by the executive director;
(6) Staff-initiated care, including follow-up and referral visits;
(7) Preventative services that the executive director determines are to be provided or made available to all inmates, including services related to disease prevention and promotion of proper health habits; or
(8) Other services as may be exempted by the rule of the authority.
No inmate may be denied any necessary billable medical service because of the inability to pay the charge.
(c) Each inmate shall be afforded an opportunity at least quarterly to review all deposits into, withdrawals from and balance remaining in the inmate's trustee account during the preceding three months.
(d) The executive director shall promulgate interpretive rules implementing this section pursuant to article three, chapter twenty-nine-a of this code prior to making any assessment under this section. The rules may establish the fee schedule and list of billable services and further define services to be exempted.