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J15 Bacterial pneumonia, not elsewhere classified

ICD-10-CM category J15 sits in Chapter 10 (Diseases of the respiratory system, J00-J99). It contains 14 billable codes for FY2027, effective October 1, 2026 to September 30, 2027. Always code to the most specific code available: a code with more characters that describes the diagnosis more precisely takes priority over a shorter one.

Subcategories

J15.2 Pneumonia due to staphylococcusJ15.21 Pneumonia due to staphylococcus aureusJ15.6 Pneumonia due to other Gram-negative bacteria

Billable codes in J15

CodeDescription
J15.0Pneumonia due to Klebsiella pneumoniae
J15.1Pneumonia due to Pseudomonas
J15.20Pneumonia due to staphylococcus, unspecified
J15.211Pneumonia due to Methicillin susceptible Staphylococcus aureus
J15.212Pneumonia due to Methicillin resistant Staphylococcus aureus
J15.29Pneumonia due to other staphylococcus
J15.3Pneumonia due to streptococcus, group B
J15.4Pneumonia due to other streptococci
J15.5Pneumonia due to Escherichia coli
J15.61Pneumonia due to Acinetobacter baumannii
J15.69Pneumonia due to other Gram-negative bacteria
J15.7Pneumonia due to Mycoplasma pneumoniae
J15.8Pneumonia due to other specified bacteria
J15.9Unspecified bacterial pneumonia

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