ICD-10-CM > J00-J99 > J09-J18 > J15 > J15.2 > J15.21 J15.21 Pneumonia due to staphylococcus aureus Non-Billable/Non-Specific Codes J15.211Pneumonia due to Methicillin susceptible Staphylococcus aureusJ15.212Pneumonia due to Methicillin resistant Staphylococcus aureus