| HAV |
Hepatitis A virus |
| Hb, Hgb |
Hemoglobin |
| HBV |
Hepatitis B virus |
| HCG |
Human chorionic gonadotropin |
| HCl |
Hydrochloric acid |
| HCT, Hct |
Hematocrit |
| HCV |
Hepatitis C virus |
| HD |
Hemodialysis; hip disarticulation; hearing distance |
| HDL |
High-density lipoprotein |
| HDN |
Hemolytic disease of the newborn |
| HDV |
Hepatitis D virus |
| HEV |
Hepatitis E virus |
| HF |
Heart failure |
| HIV |
Human immunodeficiency virus |
| H2O |
Water |
| HMD |
Hyaline membrane disease |
| HNP |
Herniated nucleus pulposus (herniated disk) |
| HP |
Hemipelvectomy |
| HPV |
Human papillomavirus |
| HRT |
Hormone replacement therapy |
| hs* |
Half strength |
| h.s.* |
at bedtime |
| HSG |
Hysterosalpingography |
| HSV |
Herpes simplex virus |
| HTN |
Hypertension |
| Hx |
History |
