| HED | hereditary ectodermal dysplasia; hydrotropic electron-donor; hypohidrotic ectodermal dysplasia; unit skin dose [of x-rays] [Ger. Haut-Einheits-Dosis] |
|---|---|
| HEDH | hypohidrotic ectodermal dysplasia-hypothyroidism [syndrome] |
| HEDIS | Health Plan Employer Data and Information Set; health employer data and information set |