When a prescription is filled, the claim is adjudicated by the pharmacy benefit manager (PBM) in real time and the pharmacy sees an expected reimbursement. The actual payment arrives later, bundled with many other claims and reduced by any fees. PBM reconciliation is the process of matching what you expected to what you received.
What to monitor
Adjudicated amount vs. paid amount. For each claim, compare the amount approved at the counter with the amount on the remittance. Differences should be explainable.
Reimbursement vs. acquisition cost. Compare what you were paid with what you paid your wholesaler for the drug. Claims reimbursed below cost are worth tracking by drug and by plan, and maximum allowable cost (MAC) pricing can be appealed when your contracts and state rules allow.
Fees. Direct and indirect remuneration (DIR) and other pharmacy price concessions have historically been assessed after the claim was paid. Since January 1, 2024, Medicare Part D rules require pharmacy price concessions to be reflected in the price at the point of sale. Other plans may still assess fees after the fact, so it's important to know which contracts do.
Rejected and reversed claims. A reversal after the medication has left the pharmacy, or a rejection that was never resolved, means product dispensed without payment.
Patient pay. Confirm that copays collected at the register match the patient responsibility shown on the claim.
Payments and deposits. Match each remittance to the deposit in your bank account, including payments routed through a pharmacy services administrative organization (PSAO).
Audit recoupments. Track amounts taken back after PBM audits separately, along with the reason, so the same documentation gaps don't repeat.
The role of a PSAO
Many independent pharmacies rely on a PSAO for contracting and payment reconciliation services. That support is valuable, but it doesn't replace the pharmacy's own review of whether reimbursement covered cost and whether every claim was paid.
Setting up a routine
- Reconcile weekly, in line with your payment cycles.
- Match remittances to claims at the claim level.
- Sort differences into categories: underpaid, unpaid, reversed, fee, below cost.
- Work the categories in order of dollar impact.
- Keep supporting documentation organized for appeals and audits.
- Review profitability by plan and by drug category each month.
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