Examples of Classification Errors
| Intersection Class | Concept | Revised Class of Concept |
| Bacterium ∩ Laboratory Procedure | Scotch Tape Mount | Laboratory Procedure |
| Organism ∩ Biomedical or Dental Material | Urea Formaldehyde Resin | Biomedical or Dental Material |
| Congenital Abnormality ∩ Body Location or Region ∩ Disease or Syndrome | Alagille Syndrome | Congenital Abnormality ∩ Disease or Syndrome |
| Experimental Model of Disease ∩ Functional Concept ∩ Sign or Symptom | Lesion, NOS | Functional Concept ∩ Sign or Symptom |









