ICD-10-CM · Chapter 21 · Z00–Z99
Z16.1
Resistance to beta lactam antibiotics
Factors influencing health status and contact with health services
Heads up:this is a parent code. It's typically not directly billable — you need to drill down to a more specific child code (one with additional digits) to use on a claim.
Quick facts
- Code
- Z16.1
- Type
- Category / header (non-billable)
- ICD-10-CM chapter
- Chapter 21 — Factors influencing health status and contact with health services
- Category
- Z16 — Resistance to antimicrobial drugs
- Specificity
- 4 characters
How coders use this code
ICD-10-CM Z16.1 is a category (header) for resistance to beta lactam antibiotics. It is generally not reported directly on a claim — coders drill down to a more specific child code (one with additional characters) that matches the documentation. Use the related codes below to find the billable code that fits, and verify against the annual NCHS/CMS guidelines.
Related codes in Z16
- Z16Resistance to antimicrobial drugs
- Z16.10Resistance to unspecified beta lactam antibiotics
- Z16.11Resistance to penicillins
- Z16.12Extended spectrum beta lactamase (ESBL) resistance
- Z16.13Resistance to carbapenem
- Z16.19Resistance to other specified beta lactam antibiotics
- Z16.2Resistance to other antibiotics
- Z16.20Resistance to unspecified antibiotic
- Z16.21Resistance to vancomycin
- Z16.22Resistance to vancomycin related antibiotics
- Z16.23Resistance to quinolones and fluoroquinolones
- Z16.24Resistance to multiple antibiotics
- Z16.29Resistance to other single specified antibiotic
- Z16.3Resistance to other antimicrobial drugs
- Z16.30Resistance to unspecified antimicrobial drugs
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