| HAG | heat-aggregated globulin |
|---|---|
| HBCG | heat-aggregated Calmette-Guerin bacillus |
| HC | hair cell; hairy cell; handicapped; head circumference; head compression; health care; healthy contr... |
| HEAT | human erythrocyte agglutination test |
| HELP | Hawaii early learning profile; Health Education Library Program; Health Emergency Loan Program; Heal... |