| Abbreviation | Definition |
|---|---|
| MCHB | Maternal and Child Health Bureau |
| MCHC | Madison County Health Coalition |
| MCHC | Manchester Community Health Center |
| MCHC | Maternal and Child Health Centre |
| MCHC | Maternal and Child Health Consortium |
| MCHC | Mattapan Community Health Center |
| MCHC | Mendocino Community Health Clinic |
| MCHC | Metropolitan Chicago Healthcare Council |
| MCHC | Middletown Community Health Center |
| MCHC | Mountainlands Community Health Center |
| MCHC | Munson Community Health Center |
| MCHCS | Madison County Health Care System |
| MCHD | Marion County Health Department |
| MCHD | Marion County Health Department's |
| MCHD | Mobile County Health Department |
| MCHD | Monmouth County Health Department |
| MCHD | Monongalia County Health Department |
| MCHD | Monterey County Health Department |
| MCHD | Montgomery County Health Department |
| MCHD | Mountain Communities Healthcare District |