Z16.3
Z16.3: Resistance to other antimicrobial drugs
Non-billable headerICD-10-CM
Z16.3 is a non-billable header ICD-10-CM code for resistance to other antimicrobial drugs. It cannot be billed on its own: choose one of the more specific child codes below.
Excludes1: never code together
These conditions cannot occur together. Billing both on the same encounter is a denial.
Excludes1 inherited from the categories above Z16.3
A category’s note binds every code beneath it.
Risk adjustment
No CMS-HCC V28 category: this code does not change a RAF score.
Code history
Unchanged in every release from FY2024 to FY2027.
Code to one of these instead Z16.3
7 child codes. Green means billable.
- Z16.30Resistance to unspecified antimicrobial drugs
- Z16.31Resistance to antiparasitic drug(s)
- Z16.32Resistance to antifungal drug(s)
- Z16.33Resistance to antiviral drug(s)
- Z16.34Resistance to antimycobacterial drug(s)
- Z16.35Resistance to multiple antimicrobial drugs
- Z16.39Resistance to other specified antimicrobial drug