| CBH | chronic benign hepatitis; cutaneous basophilic hypersensitivity |
|---|---|
| CBMMP | chronic benign mucous membrane pemphigus |
| CBN | cannabinol; central benign neoplasm; Commission on Biological Nomenclature |
| CIBP | chronic intractable benign pain |
| CIBPS | chronic intractable benign pain syndrome |