| ANSI | American National Standards Institute |
|---|---|
| FAB classification | French, American, British classification |
| AAAHE | American Association for the Advancement of Health Education |
| AAAI | American Academy of Allergy and Immunology |
| AAALAC | American Association for Accreditation of Laboratory Animal Care |
| REAL | Revised European American Lymphoma |
|---|---|
| SLICC/ACR | Systemic Lupus International Collaborating Clinics/American College of Rheumatology |