ICD-10 Code: Z28.3 – Underimmunization status

ICD-10 code Z28.3 corresponds to Underimmunization status. This code is classified under the chapter Z28 Immunization not carried out and underimmunization status, which is part of the Z20-Z29: Persons with potential health hazards related to communicable diseases category.

The parent chapter is Factors influencing health status and contact with health services.