Sepsis due to Methicillin resistant Staphylococcus aureus (A41.02)
Code first
the infection
Notes
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.
Applies from Z16.3 Resistance to other antimicrobial drugs
Excludes1 (never code together)
resistance to antibiotics (Z16.1-, Z16.2-)
MS-DRG index
Defines the logic of DRG(s) 867-869 in MDC 18.
Approximate ICD-9-CM (GEMs)
V09.90 Infection with drug-resistant microorganisms, unspecified, without mention of multiple drug resistance (approximate)
Medicare Code Edits (MCE v43.1 (April 2026))
Unacceptable principal diagnosis: These codes describe a circumstance which influences care but is not a current illness or injury, or capture only an underlying condition, and are unacceptable as principal diagnosis.
Diagnosis Index entries for Z16.30
Drug › resistant organism infection
Resistance, resistant (to) › organism (s) › to › drug
Resistance, resistant (to) › organism (s) › to › drug › antimicrobial (single)
Nearby codes
Z16.22 Resistance to vancomycin related antibiotics
Z16.23 Resistance to quinolones and fluoroquinolones