| Abbreviation | Definition |
|---|---|
| CRPM | Cardio Renal Physiology and Medicine |
| CRPNF | Contract-Relax Proprioceptive Neuromuscular Facilitation |
| CRS | Cell Regeneration System |
| CRS | Congenital Rubella Syndrome |
| CRSD | Carroll Rating Scale For Depression |
| CRSD | Circadian Rhythm Sleep Disorder |
| CRT | Can't Remember Things |
| CRT | Capillary Refill Time |
| CRT | Cardiac Resynchronization Therapy |
| CRT | Computerized Regulatory Thermography |
| CRT | Corneal Refractive Therapy |
| CRTT | Certified Respiratory Therapy Technician |
| CRVO | Central Retinal Vein Occlusion |
| CRY | Crystal |
| CS | Cervical Spine |
| CS | Cervicothoracic Somite |
| CS | Cesarean Section |
| CS | Cesarian Section |
| CS | Conditioned Stimulus |
| CS | Contrast Sensitivity test |