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  3. Ch. Z00-Z99
  4. Sec. Z16
  5. Category Z16
Category Z16

Resistance to antimicrobial drugs

Clinical Classification Guidelines

Code First

  • the infection

Specific Diagnosis Codes

Resistance to beta lactam antibiotics
Z16.1
Resistance to unspecified beta lactam antibiotics
Z16.10
Resistance to penicillins
Z16.11
Extended spectrum beta lactamase (ESBL) resistance
Z16.12
Resistance to carbapenem
Z16.13
Resistance to other specified beta lactam antibiotics
Z16.19
Resistance to other antibiotics
Z16.2
Resistance to unspecified antibiotic
Z16.20
Resistance to vancomycin
Z16.21
Resistance to vancomycin related antibiotics
Z16.22
Resistance to quinolones and fluoroquinolones
Z16.23
Resistance to multiple antibiotics
Z16.24
Resistance to other single specified antibiotic
Z16.29
Resistance to other antimicrobial drugs
Z16.3
Resistance to unspecified antimicrobial drugs
Z16.30
Resistance to antiparasitic drug(s)
Z16.31
Resistance to antifungal drug(s)
Z16.32
Resistance to antiviral drug(s)
Z16.33
Resistance to antimycobacterial drug(s)
Z16.34
Resistance to single antimycobacterial drug
Z16.341
Resistance to multiple antimycobacterial drugs
Z16.342
Resistance to multiple antimicrobial drugs
Z16.35
Resistance to other specified antimicrobial drug
Z16.39
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Data updated for October 2025 release.

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