Z20.01
✓ BillableContact with and (suspected) exposure to intestinal infectious diseases due to Escherichia coli (E. coli)
Factors influencing health status and contact with health services (Z00-Z99)
✅ No additional coding notes for Z20.01
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CodeZ20.01
BillableYes
ParentZ20.0
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)