Immunization not carried out and underimmunization status (Z28)

    • ICD-10 Index

      • Factors influencing health status and contact with health services (Z00–Z99)

        • Persons with potential health hazards related to communicable diseases (Z20-Z29)

            • Immunization not carried out and underimmunization status (Z28)
            • Z28 - Immunization not carried out and underimmunization status NON-BILLABLE CODE
            • Z28.0 - Immunization not carried out because of contraindication NON-BILLABLE CODE
            • Z28.01 - Immunization not crd out because of acute illness of patient BILLABLE CODE
            • Z28.02 - Immuniz not crd out bec chronic illness or cond of patient BILLABLE CODE
            • Z28.03 - Immuniz not crd out bec immune compromised state of patient BILLABLE CODE
            • Z28.04 - Immuniz not crd out bec patient allergy to vaccine or cmpnt BILLABLE CODE
            • Z28.09 - Immunization not carried out because of oth contraindication BILLABLE CODE
            • Z28.1 - Immuniz not crd out because of patient belief/grp pressr BILLABLE CODE
            • Z28.2 - Immuniz not crd out bec pt decision for oth and unsp reason NON-BILLABLE CODE
            • Z28.20 - Immuniz not crd out bec patient decision for unsp reason BILLABLE CODE
            • Z28.21 - Immunization not carried out because of patient refusal BILLABLE CODE
            • Z28.29 - Immuniz not crd out bec patient decision for oth reason BILLABLE CODE
            • Z28.3 - Underimmunization status NON-BILLABLE CODE
            • Z28.31 - Underimmunization for COVID-19 status NON-BILLABLE CODE
            • Z28.310 - Unvaccinated for COVID-19 BILLABLE CODE
            • Z28.311 - Partially vaccinated for COVID-19 BILLABLE CODE
            • Z28.39 - Other underimmunization status BILLABLE CODE
            • Z28.8 - Immunization not carried out for other reason NON-BILLABLE CODE
            • Z28.81 - Immuniz not crd out due to patient having had the disease BILLABLE CODE
            • Z28.82 - Immunization not carried out because of caregiver refusal BILLABLE CODE
            • Z28.83 - Immunization not crd out due to unavailability of vaccine BILLABLE CODE
            • Z28.89 - Immunization not carried out for other reason BILLABLE CODE
            • Z28.9 - Immunization not carried out for unspecified reason BILLABLE CODE

Instructional Notations

Includes Includes
This note appears immediately under a three character code title to further define, or give examples of, the content of the category.

  • vaccination not carried out

Code Also Code Also
A "code also" note instructs that two codes may be required to fully describe a condition, but this note does not provide sequencing direction.

  • , if applicable, encounter for immunization safety counseling Z71.85