Z28 IMMUNIZATION NOT CARRIED OUT AND UNDERIMMUNIZATION STATUS

Code Information

  • Diagnosis Code: Z28
  • Short Description: Immunization not carried out and underimmunization status
  • Long Description: Immunization not carried out and underimmunization status
  • Code Version: 2025 ICD-10-CM

The code Z28 is NOT VALID for claim submission

Code Classification

References to Index of Diseases and Injuries

The code Z28 has the following ICD-10-CM references to the Index of Diseases and Injuries

  • Includes Notes:
    • vaccination not carried out
  • Code Also:
    • , if applicable, encounter for immunization safety counseling (@Z71.85*)

Similar Codes

ICD-10 Code ICD-10 Description
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
Z28.311 Partially vaccinated 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
This page was last updated on: 10/1/2024
Previous Code
Next Code