(a) The attorney general shall award compensation for health care services according to the medical fee guidelines prescribed by Subtitle A, Title 5, Labor Code.
(b) The attorney general, a claimant, or a victim is not liable for health care service charges that exceed the medical fee guidelines. A health care provider shall accept compensation from the attorney general as payment in full for the charges unless an investigation of the charges by the attorney general determines that there is a reasonable health care justification for the deviation from the guidelines.

(c) The attorney general may not compensate a claimant or victim for health care services that the attorney general determines are not medically necessary.
(d) The attorney general, a claimant, or a victim is not liable for a charge that is not medically necessary.