| Abbreviation | Definition |
|---|---|
| HLGT | High-Level Group Term |
| HLT | high level term |
| HLT | High-Level Term |
| HLT | Hurricane Liaison Team |
| HLT | Hurricane Liaison Team (FEMA) |
| HMO | Health Maintenance Organization |
| HNK | Human Neonatal Kidney cells |
| HNKcells | human neonatal kidney cells |
| HP | High Potency |
| HPAA | Health Policy And Administration |
| HPB | Health Protection Board of Canada |
| HPB | Hematological Products Branch (CBER) (defunct) |
| HPC | hematopoietic progenitor cells |
| HPC | Human Progenitor Cell |
| HPFB | Health Products and Food Branch (Canada) |
| HPHCs | Harmful and Potentially Harmful Constituents |
| HPK | Human PharmacoKinetic |
| HPLC | High-Performance Liquid Chromatography |
| HPO | High Performance Organization |
| HPOD | Headquarters Procurement Operations Division |