| CHOP | Campus House of Prayer 
| Others |
| CHOP | Capitol Hill Occupied Protest
| Others |
| CHOP | Capitol Hill Organized Protest
| Others |
| CHOP | Change in Operational Control
| Others |
| CHOP | CHange of OPerational control
| Others |
| CHOP | Change Operational Control
| Others |
| CHOP | Children's Hospital Of Philadelphia
| Others |
| CHOP | Childrens Hospital of Philadelphia
| Others |
| CHOP | Choosing Healthy Options Program
| Others |
| CHOP | Christians Helping Other People
| Others |
| CHOP | Community Healthcare Outreach Program
| Others |
| CHOP | Community Houses Of Prayer
| Others |
| CHOP | Constant Height One Pump
| Others |
| CHOP | Cooking up Healthy Options with Plants
| Others |
| CHOP | Countermeasures Hands On Program
| Others |
| CHOP | Cyclophosphamide, Doxorubicin, Oncovin, Prednisone
| Others |
| CHOP | cyclophosphamide, doxorubicin, vincristine, and prednisone
| Others |
| CHOP | cyclophosphamide, Halotestin, Oncovin, prednisone
| Others |