Md. Code, Insurance § 15-1631
Md. Code, Insurance § 15-1631
in effectExcept for an overpayment as defined in § 15–1629(h) of this subtitle, if a claim has been approved by a pharmacy benefits manager through adjudication, the pharmacy benefits manager may not retroactively deny or modify reimbursement to a pharmacy or pharmacist for the approved claim unless:
(1) the claim was fraudulent;
(2) the pharmacy or pharmacist had been reimbursed for the claim previously; or
(3) the services reimbursed were not rendered by the pharmacy or pharmacist.
Source: Open US Law by Vaquill AI (CC BY 4.0)URL: https://mgaleg.maryland.gov/mgawebsite/Laws/StatuteText?article=gin§ion=15-1631&enactments=falseFetched: 10/17/2026