28 Tex. Admin. Code § 11.904 – Provision of Services Related to Immunizations and Vaccinations

(a) An HMO shall not require a physician to issue an immunization or vaccination protocol for an immunization or vaccination to be administered to an enrollee by a pharmacist.
(b) No contract between an HMO and a pharmacy or pharmacist shall prohibit a pharmacist from administering immunizations or vaccinations if such immunizations or vaccinations are administered in accordance with the Texas Pharmacy Act, Article 4542a-1, Texas Civil Statutes and rules promulgated thereunder.

Source Note:The provisions of this §11.904 adopted to be effective November 2, 1998, 23 TexReg 11347.