| Abbreviation | Definition |
|---|---|
| HCP | Healthy Cities Program |
| HCP | hereditary coproporphyria |
| HCS | Hajdu-Cheney syndrome |
| HCS | health commissioning services |
| HCS | holiday care service |
| HCS | human chorionic somatotropin |
| HCS | human cord serum |
| HCS | Hybrid Capture system |
| HCS | hypercoagulable state |
| HCSC | hospital and community health services |
| HDA | haemodialysis |
| HDA | Health Development Agency (obsolete) |
| HDA | heptadecanoic acid |
| HDA | heteroduplex analysis |
| HDA | Huntington’s Disease Association |
| HDA | Huntingtons Disease Association |
| HDR | Health Data Repository |
| HDR | heparin dose response |
| HDR | high dose radiation |
| HDR | Hospital Discharge Register |