2021

  1. ICD-10-CM Codes
    2. ›
  2. J00-J99 Diseases of the respiratory system
    3. ›
  3. J09-J18 Influenza and pneumonia
    4. ›
  4. Pneumonia, unspecified organism J18

Pneumonia, unspecified organism J18-

Code First
Code First Help
Certain conditions have both an underlying etiology and multiple body system manifestations due to the underlying etiology. For such conditions, ICD-10-CM has a coding convention that requires the underlying condition be sequenced first followed by the manifestation. Wherever such a combination exists there is a "use additional code" note at the etiology code, and a "code first" note at the manifestation code. These instructional notes indicate the proper sequencing order of the codes, etiology followed by manifestation. In most cases the manifestation codes will have in the code title, "in diseases classified elsewhere." Codes with this title are a component of the etiology/manifestation convention. The code title indicates that it is a manifestation code. "In diseases classified elsewhere" codes are never permitted to be used as first listed or principle diagnosis codes. They must be used in conjunction with an underlying condition code and they must be listed following the underlying condition.
  • associated influenza, if applicable (
    ICD-10-CM Diagnosis Code J09.X1

    Influenza due to identified novel influenza A virus with pneumonia

      2016 2017 2018 2019 2020 2021 Billable/Specific Code
    Code Also
    • , if applicable, associated:
    • lung abscess (J85.1)
    • other specified type of pneumonia
    J09.X1
    ,
    ICD-10-CM Diagnosis Code J10.0

    Influenza due to other identified influenza virus with pneumonia

      2016 2017 2018 2019 2020 2021 Non-Billable/Non-Specific Code
    Code Also
    • associated lung abscess, if applicable (J85.1)
    J10.0-
    ,
    ICD-10-CM Diagnosis Code J11.0

    Influenza due to unidentified influenza virus with pneumonia

      2016 2017 2018 2019 2020 2021 Non-Billable/Non-Specific Code
    Code Also
    • associated lung abscess, if applicable (J85.1)
    J11.0-
    )
Type 1 Excludes
Type 1 Excludes Help
A type 1 excludes note is a pure excludes. It means "not coded here". A type 1 excludes note indicates that the code excluded should never be used at the same time as J18. A type 1 excludes note is for used for when two conditions cannot occur together, such as a congenital form versus an acquired form of the same condition.
  • abscess of lung with pneumonia (
    ICD-10-CM Diagnosis Code J85.1

    Abscess of lung with pneumonia

      2016 2017 2018 2019 2020 2021 Billable/Specific Code
    Code Also
    • the type of pneumonia
    J85.1
    )
  • aspiration pneumonia due to anesthesia during labor and delivery (
    ICD-10-CM Diagnosis Code O74.0

    Aspiration pneumonitis due to anesthesia during labor and delivery

      2016 2017 2018 2019 2020 2021 Billable/Specific Code Maternity Dx (12-55 years)
    Applicable To
    • Inhalation of stomach contents or secretions NOS due to anesthesia during labor and delivery
    • Mendelson's syndrome due to anesthesia during labor and delivery
    O74.0
    )
  • aspiration pneumonia due to anesthesia during pregnancy (
    ICD-10-CM Diagnosis Code O29

    Complications of anesthesia during pregnancy

      2016 2017 2018 2019 2020 2021 Non-Billable/Non-Specific Code
    Includes
    • maternal complications arising from the administration of a general, regional or local anesthetic, analgesic or other sedation during pregnancy
    Type 2 Excludes
    • complications of anesthesia during labor and delivery (O74.-)
    • complications of anesthesia during the puerperium (O89.-)
    Use Additional
    • code, if necessary, to identify the complication
    O29
    )
  • aspiration pneumonia due to anesthesia during puerperium (
    ICD-10-CM Diagnosis Code O89.0

    Pulmonary complications of anesthesia during the puerperium

      2016 2017 2018 2019 2020 2021 Non-Billable/Non-Specific Code
    O89.0
    )
  • aspiration pneumonia due to solids and liquids (
    ICD-10-CM Diagnosis Code J69
    • J69 Pneumonitis due to solids and liquids
      • J69.0 Pneumonitis due to inhalation of food and vom...
      • J69.1 Pneumonitis due to inhalation of oils and ess...
      • J69.8 Pneumonitis due to inhalation of other solids...
    J69.-
    )
  • aspiration pneumonia NOS (
    ICD-10-CM Diagnosis Code J69.0

    Pneumonitis due to inhalation of food and vomit

      2016 2017 2018 2019 2020 2021 Billable/Specific Code
    Applicable To
    • Aspiration pneumonia NOS
    • Aspiration pneumonia (due to) food (regurgitated)
    • Aspiration pneumonia (due to) gastric secretions
    • Aspiration pneumonia (due to) milk
    • Aspiration pneumonia (due to) vomit
    Code Also
    • any associated foreign body in respiratory tract (T17.-)
    Type 1 Excludes
    • chemical pneumonitis due to anesthesia (J95.4)
    • obstetric aspiration pneumonitis (O74.0)
    J69.0
    )
  • congenital pneumonia (
    ICD-10-CM Diagnosis Code P23.0

    Congenital pneumonia due to viral agent

      2016 2017 2018 2019 2020 2021 Billable/Specific Code Code on Newborn Record
    Type 1 Excludes
    • congenital rubella pneumonitis (P35.0)
    Use Additional
    • code (B97) to identify organism
    P23.0
    )
  • drug-induced interstitial lung disorder (
    ICD-10-CM Diagnosis Code J70.2

    Acute drug-induced interstitial lung disorders

      2016 2017 2018 2019 2020 2021 Billable/Specific Code
    Type 1 Excludes
    • interstitial pneumonia NOS (J84.9)
    • lymphoid interstitial pneumonia (J84.2)
    Use Additional
    • code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5)
    J70.2-
    ICD-10-CM Diagnosis Code J70.4

    Drug-induced interstitial lung disorders, unspecified

      2016 2017 2018 2019 2020 2021 Billable/Specific Code
    Type 1 Excludes
    • interstitial pneumonia NOS (J84.9)
    • lymphoid interstitial pneumonia (J84.2)
    Use Additional
    • code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5)
    J70.4
    )
  • interstitial pneumonia NOS (
    ICD-10-CM Diagnosis Code J84.9

    Interstitial pulmonary disease, unspecified

      2016 2017 2018 2019 2020 2021 Billable/Specific Code
    Applicable To
    • Interstitial pneumonia NOS
    J84.9
    )
  • lipid pneumonia (
    ICD-10-CM Diagnosis Code J69.1

    Pneumonitis due to inhalation of oils and essences

      2016 2017 2018 2019 2020 2021 Billable/Specific Code
    Applicable To
    • Exogenous lipoid pneumonia
    • Lipid pneumonia NOS
    Code First
    Type 1 Excludes
    • endogenous lipoid pneumonia (J84.89)
    J69.1
    )
  • neonatal aspiration pneumonia (
    ICD-10-CM Diagnosis Code P24
    • P24 Neonatal aspiration
      • P24.0 Meconium aspiration
        • P24.00 Meconium aspiration without respiratory sympt...
        • P24.01 Meconium aspiration with respiratory symptoms...
      • P24.1 Neonatal aspiration of (clear) amniotic fluid...
        • P24.10 Neonatal aspiration of (clear) amniotic fluid...
        • P24.11 Neonatal aspiration of (clear) amniotic fluid...
      • P24.2 Neonatal aspiration of blood
        • P24.20 Neonatal aspiration of blood without respirat...
        • P24.21 Neonatal aspiration of blood with respiratory...
      • P24.3 Neonatal aspiration of milk and regurgitated ...
        • P24.30 Neonatal aspiration of milk and regurgitated ...
        • P24.31 Neonatal aspiration of milk and regurgitated ...
      • P24.8 Other neonatal aspiration
        • P24.80 Other neonatal aspiration without respiratory...
        • P24.81 Other neonatal aspiration with respiratory sy...
      • P24.9 Neonatal aspiration, unspecified
    P24.-
    )
  • pneumonitis due to external agents (
    ICD-10-CM Diagnosis Code J67

    Hypersensitivity pneumonitis due to organic dust

      2016 2017 2018 2019 2020 2021 Non-Billable/Non-Specific Code
    Includes
    • allergic alveolitis and pneumonitis due to inhaled organic dust and particles of fungal, actinomycetic or other origin
    Type 1 Excludes
    • pneumonitis due to inhalation of chemicals, gases, fumes or vapors (J68.0)
    J67
    -
    ICD-10-CM Diagnosis Code J70

    Respiratory conditions due to other external agents

      2016 2017 2018 2019 2020 2021 Non-Billable/Non-Specific Code
    J70
    )
  • pneumonitis due to fumes and vapors (
    ICD-10-CM Diagnosis Code J68.0

    Bronchitis and pneumonitis due to chemicals, gases, fumes and vapors

      2016 2017 2018 2019 2020 2021 Billable/Specific Code
    Applicable To
    • Chemical bronchitis (acute)
    J68.0
    )
  • usual interstitial pneumonia (
    ICD-10-CM Diagnosis Code J84.178

    Other interstitial pulmonary diseases with fibrosis in diseases classified elsewhere

      2021 - New Code Billable/Specific Code
    Applicable To
    • Interstitial pneumonia (nonspecific) (usual) due to collagen vascular disease
    • Interstitial pneumonia (nonspecific) (usual) in diseases classified elsewhere
    • Organizing pneumonia due to collagen vascular disease
    • Organizing pneumonia in diseases classified elsewhere
    Code First
    • underlying disease, such as:
    • progressive systemic sclerosis (M34.0)
    • rheumatoid arthritis (M05.00-M06.9)
    • systemic lupus erythematosis (M32.0-M32.9)
    J84.178
    )
Codes
  • J18 Pneumonia, unspecified organism
    • 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

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