Resistance to antimicrobial drugs 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.Excludes1Methicillin resistant Staphylococcus aureus infection (A49.02)Methicillin resistant Staphylococcus aureus pneumonia (J15.212)Sepsis due to Methicillin resistant Staphylococcus aureus (A41.02)