"Texas state Rep. Cody Harris ... introduced a bill that could prohibit a health insurer, a health maintenance organization or any other health benefit plan issuer with a financial interest in a PBM from requiring a plan participant to use the PBM.... [The bill would prohibit] health benefit plan issuers and PBMs from using cost-sharing rules or other benefit design rules to encourage patients to use pharmacies affiliated with the issuers or PBMs."  MORE >>