| CLS | cafe-au-lait spot; Clinical Laboratory Scientist; Coffin-Lowry syndrome; Cornelia de Lange syndrome |
|---|---|
| CS | calf serum; campomelic syndrome; carcinoid syndrome; cardiogenic shock; caries-susceptible; carotid ... |
| CS(NCA) | Clinical Laboratory Scientist Certified by the National Certification Agency for Medical Laboratory ... |
| MSTP | Medical Scientist Training Program [of NIH]; medical student training program |