| Abbreviation | Definition |
|---|---|
| ORT | Organisation for Rehabilitation Through |
| ORT | Organization for Rehabilitation and Training |
| ORT | Organization for Rehabilitation through |
| ORT | Organization for Rehabilitation through Training |
| ORT | Organization of Rehabilitation through |
| ORTC | Ontario Rehabilitation Technology Consortium (Canada) |
| OSD | Osteoporose Selbsthilfegruppen Dachverband |
| OSR | Orthopedic Sport Rehab |
| OTDC | Occupational Therapy Doctoral Candidate |
| OTTP | Occupational Therapy Training Program |
| PA | Programmed Activity |
| PACR | Post Acute Care Rehabilitation |
| PAM | Peak Abductor Moment |
| PAMPCA | Physical Agent Modalities Practitioner Credentialing Agency |
| PARF | Pennsylvania Association of Rehabilitation Facilities |
| PATF | Provincial Addictions Treatment Facility |
| PCRC | Penn Center for Rehabilitation and Care |
| PDWHF | Platelet Derived Wound Healing Formula |
| PEPT | Pain Exposure Physical Therapy |
| PERA | Prevention Enforcement Rehabilitation And After |