It's complicated, especially in the pharmacy space. Audits are used to detect fraud, waste and abuse, examples show them reimbursing payments based on small clerical errors rather than focusing on whether the right patient got the right dose of the right medication on the right date, so you might want to check out https://www.jdsupra.com/legalnews/pbm-audit-defense-key-strategies-for-5632849/ to learn how to protect yourself.