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.
MS-DRG index
Defines the logic of DRG(s) 867-869 in MDC 18.
Approximate ICD-9-CM (GEMs)
V09.1 Infection with microorganisms resistant to cephalosporins and other B-lactam antibiotics (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.
Code annotations containing back-references to Z16.19
Back-references to Z16.1
Type 1 Excludes: Z16.3 Resistance to other antimicrobial drugs ("resistance to antibiotics (Z16.1-, Z16.2-)")
Diagnosis Index entries for Z16.19
Resistance, resistant (to) › organism (s) › to › drug › beta lactam antibiotics › specified NEC
Resistance, resistant (to) › organism (s) › to › drug › cephalosporins