Z16.11

✓ Billable

Resistance to penicillins

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

Also Known As

Resistance to amoxicillinResistance to ampicillin

✅ No additional coding notes for Z16.11

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Code Information

CodeZ16.11

BillableYes

ParentZ16.1

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)