The Dispense as Written (DAW) Code is a code transmitted with the claim that indicates special circumstances. HMSA accepts any of the following DAW codes. DAW codes 0, 3, 4, 5, 6, 7, 8 and 9 may affect pricing. Pharmacies will be reimbursed at the brand contracted rate for claims submitted with DAW values of 1 or 2.
| DAW 0 | No product selection indicated |
| DAW 1 | Substitution not allowed by prescriber |
| DAW 2 | Substitution allowed – patient requested product dispensed |
| DAW 3 | Substitution allowed – pharmacy requested product dispensed |
| DAW 4 | Substitution allowed – generic drug not in stock |
| DAW 5 | Substitution allowed – brand drug dispensed as generic |
| DAW 6 | Undefined (not in general use; reserved for future use) |
| DAW 7 | Substitution not allowed – brand drug mandated by law/regulation |
| DAW 8 | Substitution not allowed – generic drug not available in marketplace |
| DAW 9 | Undefined (not in general use, reserved for future use) |
Revision History
| Date | Nature of Revision |
|---|---|
| 08/03/2026 | Migrated to new platform. |