J18 PNEUMONIA, UNSPECIFIED ORGANISM

Code Information

  • Diagnosis Code: J18
  • Short Description: Pneumonia, unspecified organism
  • Long Description: Pneumonia, unspecified organism
  • Code Version: 2025 ICD-10-CM

The code J18 is NOT VALID for claim submission

Code Classification

References to Index of Diseases and Injuries

The code J18 has the following ICD-10-CM references to the Index of Diseases and Injuries

  • Type 1 Excludes Notes:
    • congenital pneumonia (@P23.0*)
    • drug-induced interstitial lung disorder (@J70.2*[email protected]*)
    • interstitial pneumonia NOS (@J84.9*)
    • neonatal aspiration pneumonia (@P24*.-)
    • pneumonitis due to fumes and vapors (@J68.0*)
    • usual interstitial pneumonia (@J84.178*)
  • Type 2 Excludes Notes:
    • 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*)
    • lipid pneumonia (@J69.1*)
    • pneumonitis due to external agents (@J67*-@J70*)
  • Code First:
    • , if applicable, associated influenza (@J09.X1*, @J10.0*-, @J11.0*-)
  • Code Also:
    • , if applicable, any associated condition such as:
    • aspiration pneumonia (@J69*.-)

Similar Codes

ICD-10 Code ICD-10 Description
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
This page was last updated on: 10/1/2025
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