Z28.9 is the ICD-10 code for Immunization not carried out for unspecified reason. It is a four-character subcategory of Z28 (Immunization not carried out), the most specific level in the WHO edition. It belongs to the block Z20–Z29 (Persons with potential health hazards related to communicable diseases) in Chapter XXI, Factors influencing health status and contact with health services.
- Code type
- Subcategory (4 characters)
- Chapter
- XXI · Z00–Z99
- Classification
- WHO ICD-10, 2019 version
Z28.9 in national editions
Countries report with their own edition of ICD-10. Most keep the WHO code and add more specific codes beneath it.
Z28.9Immunisering ikke utført av uspesifisert årsak
Z28.9Rokotuksen tekemättä jättäminen määrittämättömästä syystä
Z28.9Vaccination non faite, sans précision
Z28.9immunisatie niet uitgevoerd om niet-gespecificeerde reden
Z28.9Immunization not carried out for unspecified reason
Based on the World Health Organization’s International Statistical Classification of Diseases and Related Health Problems, 10th revision (ICD-10), 2019 version, and the national editions published by each country’s health authority. This page is a reference, not coding advice; follow your national coding rules when you report.
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