| HL | hairline; hairy leukoplakia; half life; hearing level; hearing loss; heparin lock; histiocytic lymph... |
|---|---|
| HT | Hashimoto thyroiditis; hearing test; hearing threshold; heart; heart transplantation, heart transpla... |
| ISI | International Sensitivity Index of reagent/instrument combination |
| ACI-TIPI | acute cardiac ischemia-time insensitive predictive instrument |
| CASI | cognitive abilities screening instrument |