In many cases, ESI auditors request information they are entitled to review. However, it is also common that an auditor's request exceeds the scope of the PBM contract. The authority of ESI's auditors comes from the PBM contract between the pharmacy and ESI. This contract outlines the scope of documentation that auditors can demand during an audit, as well as a pharmacy's rights to challenge requests for documentation. If you refuse to provide documentation covered under the PBM contract, ESI could impose sanctions, up to and including termination of the PBM contract. However, ESI auditors cannot enforce production requests that lie outside the scope of the PBM contract. An experienced ESI PMB audit attorney with Oberheiden, P.C. can help you keep auditors in line by enforcing your rights under the PBM contract.