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Z28.21

✓ Billable

Immunization not carried out because of patient refusal

Factors influencing health status and contact with health services (Z00-Z99)

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✅ No additional coding notes for Z28.21

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Code Information

CodeZ28.21
BillableYes
ParentZ28.2
CategoryFactors influencing health status and contact with health services (Z00-Z99)
Excludes10 rule(s)
Excludes20 note(s)

Data Source

CMS ICD-10-CM 2026 Tabular List

Updated October 1, 2025 (FY2026)