Mo. Rev. Stat. § 191.226
The department of health and senior services shall pay for the cost of conducting HIV testing for a victim of the crime of rape as defined in section 556.030, or of the crime of sodomy as defined in section 566.060, or of the crime of incest as defined in section 568.020, if a person who is convicted of such crime is determined to be infected with HIV based upon HIV testing conducted upon delivery of the person to the department of corrections pursuant to section 191.659. Such testing shall be limited to not more than two enzyme-linked immunosorbent assay (ELISA) tests per year and such cost of such tests shall not be paid by the department of health and senior services for more than five years after the date the crime was committed. HIV testing conducted pursuant to this section shall be performed by the public health laboratory of the department of health and senior services.
§ 191.226, RSMo