Use additional code, if applicable, to identify resistance to antimicrobial drugs (Z16.-)


  • allergic or eosinophilic pneumonia (J82)
  • aspiration pneumonia NOS (J69.0)
  • meconium pneumonia (P24.01)
  • neonatal aspiration pneumonia (P24.-)
  • pneumonia due to solids and liquids (J69.-)
  • congenital pneumonia (P23.9)
  • lipid pneumonia (J69.1)
  • rheumatic pneumonia (I00)
  • ventilator associated pneumonia (J95.851)
  1. J15 Bacterial pneumonia, not elsewhere classified


    • bronchopneumonia due to bacteria other than S. pneumoniae and H. influenzae


    • chlamydial pneumonia (J16.0)
    • congenital pneumonia (P23.-)
    • Legionnaires' disease (A48.1)
    • spirochetal pneumonia (A69.8)
    1. J15.0 Pneumonia due to Klebsiella pneumoniae

    2. J15.1 Pneumonia due to Pseudomonas

    3. J15.2 Pneumonia due to staphylococcus

      1. J15.20 Pneumonia due to staphylococcus, unspecified

      2. J15.21 Pneumonia due to staphylococcus aureus

        • J15.211 Pneumonia due to Methicillin susceptible Staphylococcus aureus

          Inclusion term(s):

          • MSSA pneumonia
          • Pneumonia due to Staphylococcus aureus NOS
        • J15.212 Pneumonia due to Methicillin resistant Staphylococcus aureus
      3. J15.29 Pneumonia due to other staphylococcus

    4. J15.3 Pneumonia due to streptococcus, group B

    5. J15.4 Pneumonia due to other streptococci

    6. J15.5 Pneumonia due to Escherichia coli

    7. J15.6 Pneumonia due to other Gram-negative bacteria

      1. J15.61 Pneumonia due to Acinetobacter baumannii

      2. J15.69 Pneumonia due to other Gram-negative bacteria

        Inclusion term(s):

        • Pneumonia due to other aerobic Gram-negative bacteria
        • Pneumonia due to Serratia marcescens
    8. J15.7 Pneumonia due to Mycoplasma pneumoniae

    9. J15.8 Pneumonia due to other specified bacteria

    10. J15.9 Unspecified bacterial pneumonia

      Inclusion term(s):

      • Pneumonia due to gram-positive bacteria
Abbreviations used here:

NEC Not elsewhere classifiable
This abbreviation in the Tabular List represents “other specified”. When a specific code is not available for a condition, the Tabular List includes an NEC entry under a code to identify the code as the “other specified” code.

NOS Not otherwise specified
This abbreviation is the equivalent of unspecified.