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J18 - Pneumonia, unspecified organism

The ICD 10 Code for Pneumonia, unspecified organism is listed as J18.
Additional information concerning this code and description can be found below including ICD 9 crosswalks / GEMS, chapter information, and DRGs where available.

ICD 10 CM Field Value
Diagnosis Code: J18
Description: Pneumonia, unspecified organism
  • Code first associated influenza, if applicable (J09.X1, J10.0-, J11.0-)
  • Excludes1: abscess of lung with pneumonia (J85.1)
  • aspiration pneumonia due to anesthesia during labor and delivery (O74.0)
  • aspiration pneumonia due to anesthesia during pregnancy (O29)
  • aspiration pneumonia due to anesthesia during puerperium (O89.0)
  • aspiration pneumonia due to solids and liquids (J69.-)
  • aspiration pneumonia NOS (J69.0)
  • congenital pneumonia (P23.0)
  • drug-induced interstitial lung disorder (J70.2-J70.4)
  • interstitial pneumonia NOS (J84.9)
  • lipid pneumonia (J69.1)
  • neonatal aspiration pneumonia (P24.-)
  • pneumonitis due to external agents (J67-J70)
  • pneumonitis due to fumes and vapors (J68.0)
  • usual interstitial pneumonia (J84.17)
Chapter Diseases of the respiratory system (J00-J99)
ICD-10-CM Children (deeper level / typically more specific) of J18:
J18.0 - Bronchopneumonia, unspecified organism
J18.1 - Lobar pneumonia, unspecified organism
J18.2 - Hypostatic pneumonia, unspecified organism
J18.8 - Other pneumonia, unspecified organism
J18.9 - Pneumonia, unspecified organism