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Z16.31

✓ Billable

Resistance to antiparasitic drug(s)

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

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Also Known As

Resistance to quinine and related compounds

❌ Excludes1

inherited from Z16.3

Rules from parent category Z16.3: Resistance to other antimicrobial drugs

  • • resistance to antibiotics (Z16.1-, Z16.2-)

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Code Information

CodeZ16.31
BillableYes
ParentZ16.3
CategoryFactors influencing health status and contact with health services (Z00-Z99)
Excludes11 rule(s)
Excludes20 note(s)

Data Source

CMS ICD-10-CM 2026 Tabular List

Updated October 1, 2025 (FY2026)