Basis of Cost Determination

The value submitted in the "Basis of Cost Determination" field (423-DN) indicates the methodology the price submitted in the "Ingredient Cost Submitted" field (409-D9) was calculated. The system accepts the values below. Other submitted values will reject with NCPDP error code “DN” (“M/I Basis of Cost Determination”).

Value Definition Note

00

Default

Will default to Direct.

01

AWP (Average Wholesale Price)

 

03

Direct

 

08

340B / Disproportionate Share Pricing / Public Health Service

For Public Health Service pharmacies only. Refer to the 340B Resources for more information.

09 Other For claims with drugs purchased from a central purchasing entity or a warehouse.