| Abbreviation | Definition |
|---|---|
| MPN | Med-Psych Network |
| MPN/G | Most Probable Number per Gram |
| MPPD | Male Post Partum Depression |
| MPRI | Maritime Physician Recruitment Initiative |
| MPS | Multiple Personality Syndrome |
| MPS | Myofacial Pain Syndrome |
| MPS | Myofascial Pain Syndrome |
| MPSB | Midline Posterior Spinal Block |
| MPSR | Metabolic Physiology Shared Resource |
| MPV | Mean Platlet Volume |
| MPV | Medical Present Value |
| MR | Maximum to Right |
| MR | Mental Representation |
| MR | Mental Retardation |
| MR | Metabolic Rate |
| MR | Methicillin Resistant |
| MR | Minimum Rest |
| MR | Miscellaneous Remedies |
| MR | Mitral Regurgitation |
| MR | Muscarinic Receptor |