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Z28.3 Underimmunization status

Non-Billable/Non-Specific

Use Additional

  • code, if applicable, to identify:
  • immunization not carried out because of contraindication (Z28.0-)
  • immunization not carried out because of patient decision for other and unspecified reason (Z28.2-)
  • immunization not carried out because of patient decision for reasons of belief or group pressure (Z28.1)
  • immunization not carried out for other reason (Z28.8-)

Codes

  • Z28.31Underimmunization for COVID-19 status
    • Z28.310Unvaccinated for COVID-19
    • Z28.311Partially vaccinated for COVID-19
  • Z28.39Other underimmunization status