| ICD-10 Code | Description |
| Z51.0 | Encounter for antineoplastic radiation therapy |
| Z51.11 | Encounter for antineoplastic chemotherapy |
| Z51.12 | Encounter for antineoplastic immunotherapy |
| Z51.5 | Encounter for palliative care |
| Z51.6 | Encounter for desensitization to allergens |
| Z51.81 | Encounter for therapeutic drug level monitoring |
| Z51.89 | Encounter for other specified aftercare |
| Z51.A | Encounter for sepsis aftercare |
