| HEDH | hypohidrotic ectodermal dysplasia-hypothyroidism [syndrome] |
|---|---|
| HEDIS | Health Plan Employer Data and Information Set; health employer data and information set |
| HEENT | head, ears, eyes, nose, and throat |
| HEEP | health effects of environmental pollutants |
| HEF | hamster embryo fibroblast; human embryo fibroblast |
| HEG | hemorrhagic erosive gastritis |
| HEHR | highest equivalent heart rate |
| HEI | Health Effects Institute; high-energy intermediate; homogenous enzyme immunoassay; human embryonic intestine [cells] |
| HEIR | health effects of ionizing radiation; high-energy ionizing radiation |
| HEIS | high-energy ion scattering |