| Abbreviation | Definition |
|---|---|
| DH(CBER) | Division of Hematology (CBER) |
| DHC | Dioxin Health Certificate |
| DHC | dioxin health certificate (ORA AofC code) |
| DHCP | Dear Health Care Professional |
| DHCP | Dynamic Host Configuration Protocol |
| DHF | Design History File |
| DHFS(CVM) | Division of Human Food Safety (CVM) |
| DHR | device history record |
| DHRD(ORA) | Division of Human Resources Development (ORA) |
| DHS | Department of Homeland Security (U.S.) |
| DHSS | Department of Health and Social Security |
| DHSS | Department of Health and Social Security (U.K.) |
| DHT(CBER) | Division of Human Tissues (CBER) |
| DI | De-Ionized |
| DI | diabetes insipidus |
| DIA | Drug Information Association |
| DIAM | Division of Imaging and Applied Mathematics |
| DIAM(CDRH) | Division of Imaging and Applied Mathematics (CDRH) |
| DIB | Director, Investigations Branch |
| DIBD | Development International Birth Date |