| Abbreviation | Definition |
|---|---|
| CSTR | Certified Specialist Trauma Registry |
| CSU | Catheter Specimen of Urine |
| CSU | Clinical Service Unit |
| CSU | Crisis Stabilization Unit |
| CSV | Campoletis Sonorensis Virus |
| CSVN | Christian Science Visiting Nurse |
| CSVNS | Christian Science Visiting Nurse Services |
| CT | Cut Through |
| CTAH | Central Texas Animal Hospital |
| CTAS | Canadian Triage and Acuity Scale |
| CTC | Certified Transplant Center |
| CTC | Child and Teen Checkups |
| CTC | Clinical Trial Certificate |
| CTC | Computed Tomographic Colonography |
| CTCH | Carilion Tazewell Community Hospital |
| CTCU | Cardiothoracic Care Unit |
| CTF | Central Treatment Facility |
| CTG | CardioTocoGraph |
| CTH | Carrie Tingley Hospital |
| CTH | Carson Tahoe Hospital |