| Z28 |
Immunization not carried out and underimmunization status |
| Z28.0 |
Immunization not carried out because of contraindication |
| Z28.01 |
Immunization not carried out because of acute illness of patient |
| Z28.02 |
Immunization not carried out because of chronic illness or condition of patient |
| Z28.03 |
Immunization not carried out because of immune compromised state of patient |
| Z28.04 |
Immunization not carried out because of patient allergy to vaccine or component |
| Z28.09 |
Immunization not carried out because of other contraindication |
| Z28.1 |
Immunization not carried out because of patient decision for reasons of belief or group pressure |
| Z28.2 |
Immunization not carried out because of patient decision for other and unspecified reason |
| Z28.20 |
Immunization not carried out because of patient decision for unspecified reason |
| Z28.21 |
Immunization not carried out because of patient refusal |
| Z28.29 |
Immunization not carried out because of patient decision for other reason |
| Z28.3 |
Underimmunization status |
| Z28.31 |
Underimmunization for COVID-19 status |
| Z28.310 |
Unvaccinated for COVID-19 |
| Z28.39 |
Other underimmunization status |
| Z28.8 |
Immunization not carried out for other reason |
| Z28.81 |
Immunization not carried out due to patient having had the disease |
| Z28.82 |
Immunization not carried out because of caregiver refusal |
| Z28.83 |
Immunization not carried out due to unavailability of vaccine |
| Z28.89 |
Immunization not carried out for other reason |
| Z28.9 |
Immunization not carried out for unspecified reason |