| CEC | central echo complex; ciliated epithelial cell; Commission of the European Community |
|---|---|
| CH | case history; Chediak-Higashi [syndrome]; chiasma; Chinese hamster; chloral hydrate; cholesterol; Ch... |
| CHAP | Certified Hospital Admission Program; Community Health Accreditation Program |
| CHEC | community hypertension evaluation clinic |
| CHIPPA | community health planning agency |