Where used:
| Class | TREATMENT RELATED MORBIDITY | has an attribute MORBIDITY CODE |
| Data Element | MORBIDITY CODE (CHEMOTHERAPY) | references in description MORBIDITY CODE |
| Data Element | MORBIDITY CODE (COMBINATION) | references in description MORBIDITY CODE |
| Data Element | MORBIDITY CODE (RADIOTHERAPY) | references in description MORBIDITY CODE |