| Abbreviation | Definition |
|---|---|
| MDH | Michigan Department of Health |
| MDH | Month Date And Hour |
| MDH | Month, Day, And Hour |
| MDI | Medically Determinable Impairment |
| MDN | Mutual Defense Nation |
| MDP | Managed Disability Program |
| MDR | Mandatory Medical Device Reporting |
| MDR(s) | Medical Device Adverse Event Report(s) |
| MDT | Multi Disciplinary Team |
| MDU | Multi Disciplinary Unit |
| MDUFMA | Medical Device User Fee and Modernization Act |
| MDY | Man- Day |
| MDY | Month Day Year |
| MEA | Materials and Equipment Acceptance |
| MEA | Means Ends Analysis |
| MEA | Multilateral Environmental Agreement |
| MEC | Master Executive Council |
| MED | Management Of External Data |
| MEDLARS | Medical Literature Analysis and Retrieval System (NLM) |
| MEO | Most Efficient Organization |