| Full description | Immunization not carried out because of patient decision for other and unspecified reason |
| Billable | No — use a more specific child code |
| Chapter | Chapter 21: Factors influencing health status and contact with health services (Z00-Z99) |
| Section | Persons with potential health hazards related to communicable diseases (Z20-Z29) |
| Parent code | Z28 — Immunization not carried out and underimmunization status |