ICD-10-CM · FY 2026 APRIL UPDATE
Z16.1
Resistance to beta lactam antibiotics
Diagnosis reference
Nonbillable categoryThis entry is a category or subcategory. Choose the appropriate billable descendant based on the clinical documentation.
Effective periodOctober 1, 2026–September 30, 2027
SourceCMS ICD-10-CM order file
ClassificationDiagnosis · clinical modification
Related entries
Up to 30 descendants in this category
| CODE | DESCRIPTION | TYPE |
|---|---|---|
| Z16.10 | Resistance to unspecified beta lactam antibiotics | Billable |
| Z16.11 | Resistance to penicillins | Billable |
| Z16.12 | Extended spectrum beta lactamase (ESBL) resistance | Billable |
| Z16.13 | Resistance to carbapenem | Billable |
| Z16.19 | Resistance to other specified beta lactam antibiotics | Billable |
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This reference does not reproduce the full tabular hierarchy, inclusion notes, Excludes1/2 notes, sequencing instructions, or seventh-character rules. Review the official tables and coding guidelines.
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