Z20.820
✓ BillableContact with and (suspected) exposure to varicella
Factors influencing health status and contact with health services (Z00-Z99)
✅ No additional coding notes for Z20.820
🧪 Validate Combinations
Add Z20.820 to the Excludes Checker to validate against your full code list.
Open in Checker →Code Information
CodeZ20.820
BillableYes
ParentZ20.82
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)