| AAPPO | American Association of Preferred Provider Organizations |
|---|---|
| CIOMS | Council for International Organizations of Medical Sciences |
| COSSMHO | [National] Coalition of Hispanic Health and Human Services Organizations |
| FPO | faciopalatooseous [syndrome]; Federation of Prosthodontic Organizations; freezing point osmometer |
| JCAHO | Joint Commission on Accreditation of Healthcare Organizations |