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ICD-10-CM
ICD-10-CM codes
Factors influencing health status and contact with health services (Z00-Z99)
Z20-Z29
Z28
Z28.3
Z28.31
ICD-10-CM code "Z28.31": Underimmunization for COVID-19 status (2024)
Overview
ICD-10 Code
Z28.31
Description
Underimmunization for COVID-19 status
Hierarchy
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)
Underimmunization status (Z28.3)
Underimmunization for COVID-19 status (Z28.31)
Billable status
Non billable code
Excludes
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)
Underimmunization status (Z28.3)
Underimmunization for COVID-19 status (Z28.31)
Includes
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)
Includes
vaccination not carried out
Underimmunization status (Z28.3)
Underimmunization for COVID-19 status (Z28.31)
Subcategories
Unvaccinated for COVID-19 (Z28.310)
Partially vaccinated for COVID-19 (Z28.311)