Z28.0
⚠ Non-billable (Header)Immunization not carried out because of contraindication
Factors influencing health status and contact with health services (Z00-Z99)
⚠️ This is a category header code — not billable. Use a more specific child code below.
✅ No additional coding notes for Z28.0
Child Codes (5)
Z28.01Immunization not carried out because of acute illness of patientZ28.02Immunization not carried out because of chronic illness or condition of patientZ28.03Immunization not carried out because of immune compromised state of patientZ28.04Immunization not carried out because of patient allergy to vaccine or componentZ28.09Immunization not carried out because of other contraindication
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CodeZ28.0
BillableNo — Header code
ParentZ28
CategoryFactors influencing health status and contact with health services (Z00-Z99)
Excludes10 rule(s)
Excludes20 note(s)
Child codes5
Data Source
CMS ICD-10-CM 2026 Tabular List
Updated October 1, 2025 (FY2026)