| Abbreviation | Definition |
|---|---|
| GWC | Grown Wounded Child |
| GWG | gestational weight gain |
| GWI | Gulf War Illness |
| GXT | Graded eXercise Test |
| GYN | Gynecology |
| H | Hands |
| H | Head |
| H | Health |
| H | Hearing |
| H | Heart |
| H | Hepatitis |
| H | Heterosexual |
| H | Histidine |
| H&E | Hematozlin And Eosin Stain |
| H&E | Hemorrhage And Exudate |
| H&P | History and Physical |
| H/O | History of |
| H20 | Water |
| HA | Headache |
| HA | Hearing Aid |