Underimmunization ICD-10 Code

• Z28.3 - Underimmunization status
• Z28.31 - Underimmunization for COVID-19 status
• Z28.39 - Other underimmunization status
• Z28.3 - Underimmunization status
• Z28.31 - Underimmunization for COVID-19 status
• Z28.39 - Other underimmunization status