Z16.3

Non-billable

Resistance to other antimicrobial drugs

Z16.3 is the ICD-10-CM code for Resistance to other antimicrobial drugs. It is a non-billable category code — use a more specific child code such as Z16.30 for billing.

Status
Header (non-billable)
Chapter
Z00-Z99
Parent
Z16
Subcodes
7
Edition
FY2026

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

Excludes1 — not coded here

Frequently asked questions

What is ICD-10 code Z16.3?
Z16.3 is the ICD-10-CM code for "Resistance to other antimicrobial drugs". It falls under Z00-Z99 Factors influencing health status and contact with health services.
Is Z16.3 a billable code?
No — Z16.3 is a non-billable header code. Use a more specific child code (such as Z16.30) for billing.
What are the subcodes of Z16.3?
Z16.3 has 7 more specific child codes, including Z16.30, Z16.31, Z16.32.
What is excluded from Z16.3?
Excludes1 (not coded here): resistance to antibiotics (Z16.1-, Z16.2-).

Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.

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