Walgreens Code DM-COST: Unit cost discrepancy debit memo (DM-COST).
Walgreens Code DM-COST represents a pricing debit memo issued when your invoiced unit cost exceeds the purchase order cost in Walgreens' systems. Winning a dispute in SupplierNet requires verified buyer pricing agreements.
Why Walgreens issues Code DM-COST.
- Approved cost increase was not updated on open POs in Walgreens systems before shipping
- Case-cost vs. each-cost pricing unit mismatch on invoice
Documents that win.
- Approved Walgreens price sheet and buyer confirmation
- Original Purchase Order and Vendor Invoice
- Remittance backup
How to dispute it.
Find remittance line for Code DM-COST in Walgreens SupplierNet / PRGX Supplier Connect. Note the PO, invoice number, and claim amount.
Collect and verify documentation: Approved Walgreens price sheet and buyer confirmation, Original Purchase Order and Vendor Invoice, Remittance backup. Ensure piece counts and timestamps match.
File dispute claim package via Walgreens Vendor Net selecting claim reason for Code DM-COST (Unit cost discrepancy debit memo (DM-COST)) and attaching all verification documents.
Monitor claim status in Walgreens Vendor Net until approved (30-60 days). Approved credit memo will apply to a future settlement remittance.
Dispute within 180 days of deduction date in SupplierNet. Check your remaining filing window with our free Dispute deadline checker.
Source: Walgreens supplier guidance · Verified by Laxmi Narayan · 2026We audit remittances, assemble proof documents, and handle end-to-end Walgreens deduction recovery on pure contingency. We'll check whether yours is disputable, free, in 72 hours.