| Abbreviation | Definition |
|---|---|
| MCH | Memorial Community Hospital |
| MCH | Miami Children's Hospital |
| MCH | National Center for Education in Maternal and Child Health |
| MCHD | Montgomery County Hospital District |
| MCHD | Moore County Hospital District |
| MCHG | Modern Cancer Hospital Guangzhou |
| MCI | Medical Council of India |
| MCIF | Medical Currency Information File |
| MCIP | Male Contraception Information Project |
| MCL | Mid-Clavicular Line |
| MCL | Minimum Cleanliness Level |
| MCMH | Madison County Memorial Hospital |
| MCMH | Maine Coast Memorial Hospital |
| MCMH | Milton Cato Memorial Hospital |
| MCMH | Montgomery County Memorial Hospital |
| MCO | Managed Care Organization |
| MCPI | Medical Care Price Index |
| MCSD | Mechanical Circulatory Support Device |
| MCSO | Medical Child Support Order |
| MCSU | Mass Casualty Support Unit |