| FACAI | Fellow of the American College of Allergy and Immunology |
|---|---|
| FACC | Fanconi anemia complementation group C; Fellow of the American College of Cardiologists |
| FACD | Fanconi anemia complementation group D; Fellow of the American College of Dentists |
| FACFS | Fellow of the American College of Foot Surgeons |
| FACG | Fellow of the American College of Gastroenterology |