| Abbreviation | Definition |
|---|---|
| MG/DL | MilliGrams per DeciLiter (100 Milliliters) |
| MG/KG | Milligram Per Kilogram |
| MG/KG/DAY | Milligram Per Kilogram Per Day |
| MG/KG/HR | Milligram Per Kilogram Per Hour |
| MG/MIN | Milligrams Per Minute |
| MGCARB | Magnesium Carbonate |
| MGF | Maternal Grandfather |
| MGGM | Maternal Great Grandfather |
| MGHYDROX | Magnesium Hydroxide |
| MGL | Magnesium Lactate |
| MGP | Medial Globus Pallidus |
| MGS | Meckel-Gruber Syndrome |
| MGS04 | Magnesium Sulfate |
| MGSAL | Magnesium Salicylate |
| MGTRISIL | Magnesium Trisilicate |
| MH | Malignant Hypersensitivity |
| MH | Marital history |
| MH | Medical History |
| MH | Mental Health |
| MHANA | Mental Health Association of Northeast Florida, Inc. |