| A | B |
|---|
| HA | hearing aid, headache |
| HBP | high blood pressure |
| HBV | hepatitis B virus |
| HCG | human chorionic gonadotrophin hormone |
| HCL | hydrochloric acid |
| hct | hematocrit |
| HCV | hepatitis C virus |
| HDL | high-density lipoproteins (healthy type of cholesterol) |
| Hg | mercury |
| Hgb, Hb | hemoglobin |
| HHA | home health assistant/aide |
| HIPAA | Health Insurance Portability and Accountability Act |
| HIV | human immunodeficiency virus (AIDS virus) |
| HMO | health maintenance organization |
| HOB | head of bed |
| HOH | hard of hearing |
| H&P | history and physical |
| Hr, hr, H, h | hour, hours |
| HRT | hormone replacement therapy |
| HS | hour of sleep (bedtime) |
| Term when HOB is lower than the foot of the bed | Trendelenberg |
| Term when HOB is elevated at a 45 degree angle | Semi-fowler's |
| Term when HOB is elevated at a 90 degree angle | Fowler's |
| Term when HOB is even with the foot of bed and pt is lying on his/her back | Supine |
| Term where HOB is even with foot of bed and pt is lying on abdomen | Prone |
| HIE | health information exchange |
