ICD-10-CM › Z00-Z99 › Z16 › Z16.1 Resistance to beta lactam antibiotics › Z16.13

Valid for claims with a date of service in the current code year.

Valid FY2024 onwards.

What has happened to this code

Official coding rules

Published by CDC for FY2027. A rule attached to a category binds every code beneath it, so the rules inherited from this code's ancestors are shown with the code they come from.

Inherited from Z16 Resistance to antimicrobial drugs

Excludes1 - never coded here

• Methicillin resistant Staphylococcus aureus infection (A49.02)
• Methicillin resistant Staphylococcus aureus pneumonia (J15.212)
• Sepsis due to Methicillin resistant Staphylococcus aureus (A41.02)

Code first

• the infection

Note

• The codes in this category are provided for use as additional codes to identify the resistance and non-responsiveness of a condition to antimicrobial drugs.

How CDC's index refers to this code

Wording from the official alphabetic index. Much of it appears nowhere in the code description, which is why a search for the everyday phrase so often finds nothing.

• Drug > resistant organism infection
• Infection, infected, infective > with > drug resistant organism
• Resistance, resistant > organism > to > drug > carbapenem

Codes in the same group

Code	Description	Status
Z16.10	Resistance to unspecified beta lactam antibiotics	Valid
Z16.11	Resistance to penicillins	Valid
Z16.12	Extended spectrum beta lactamase (ESBL) resistance	Valid
Z16.19	Resistance to other specified beta lactam antibiotics	Valid