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Diagnosis Code

Z28.9 IMMUNIZATION NOT CARRIED OUT FOR UNSPECIFIED REASON


Code Information

Diagnosis Code: Z28.9

Short Description: Immunization not carried out for unspecified reason

Long Description: Immunization not carried out for unspecified reason

The code Z28.9 is VALID for claim submission

Code Classification:

  • 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)
        • Z28.9 Immunization not carried out for unspecified reason

This code is valid for unacceptable principal diagnosis

Code Version: 2022 ICD-10-CM


Synonyms

  • Hepatitis A vaccination not done
  • Hepatitis B vaccination not done
  • Herpes zoster vaccination not done
  • Influenza vaccination not done
  • Measles mumps and rubella vaccination not done
  • Pneumococcal vaccination not done
  • Severe acute respiratory syndrome coronavirus 2 vaccination not done
  • Tetanus vaccination not done
  • Vaccination for acellular pertussis, diphtheria and tetanus not done
  • Vaccination for diphtheria, pertussis, and tetanus not done
  • Vaccination not done
  • Varicella vaccination not done

Crosswalk Information

ICD-10 Code ICD-9 Code ICD-9 Description
Z28.9 Right Arrow V64.00 No vaccination NOS

This ICD-10 to ICD-9 data is based on the 2018 General Equivalency Mapping (GEM) files published by the Centers for Medicare & Medicaid Services (CMS) for informational purposes only. The data is not an ICD-10 conversion tool and doesn’t guarantee clinical accuracy.

Similar Codes

ICD-10 Code ICD-10 Description
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
Z28.311 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

This page was last updated on: 10/1/2023

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