J18

Pneumonia, unspecified organism

Non-billable header

J18 is a non-billable header code. Use one of the more specific codes below.

Inclusion terms

Includes

  • Note: When a respiratory condition is described as occurring in more than one site and is not specifically indexed, it should be classified to the lower anatomic site (e.g. tracheobronchitis to bronchitis in J40).

Excludes1

Not coded here — never report together with this code.

  • congenital pneumonia (P23.0)
  • drug-induced interstitial lung disorder (J70.2-J70.4)
  • interstitial pneumonia NOS (J84.9)
  • neonatal aspiration pneumonia (P24.-)
  • pneumonitis due to fumes and vapors (J68.0)
  • usual interstitial pneumonia (J84.178)

Excludes2

Not included here — may be reported together when both conditions exist.

  • certain conditions originating in the perinatal period (P04-P96)
  • certain infectious and parasitic diseases (A00-B99)
  • complications of pregnancy, childbirth and the puerperium (O00-O9A)
  • congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)
  • endocrine, nutritional and metabolic diseases (E00-E88)
  • injury, poisoning and certain other consequences of external causes (S00-T88)
  • neoplasms (C00-D49)
  • smoke inhalation (T59.81-)
  • symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)
  • 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)
  • 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

Sequence the underlying condition first.

Use additional code

Add a code to identify the following, if applicable.

  • code, where applicable, to identify:
  • exposure to environmental tobacco smoke (Z77.22)
  • exposure to tobacco smoke in the perinatal period (P96.81)
  • history of tobacco dependence (Z87.891)
  • occupational exposure to environmental tobacco smoke (Z57.31)
  • tobacco dependence (F17.-)
  • tobacco use (Z72.0)
  • code, if applicable, to identify resistance to antimicrobial drugs (Z16.-)

Code also

An additional code may be needed.

  • , if applicable, any associated condition such as:
  • aspiration pneumonia (J69.-)

More specific codes J18

  • J18.0Bronchopneumonia, unspecified organismBillable
  • J18.1Lobar pneumonia, unspecified organismBillable
  • J18.2Hypostatic pneumonia, unspecified organismBillable
  • J18.8Other pneumonia, unspecified organismBillable
  • J18.9Pneumonia, unspecified organismBillable

Related codes

  • J09Influenza due to certain identified influenza virusesHeader
  • J10Influenza due to other identified influenza virusHeader
  • J11Influenza due to unidentified influenza virusHeader
  • J12Viral pneumonia, not elsewhere classifiedHeader
  • J13Pneumonia due to Streptococcus pneumoniaeBillable
  • J14Pneumonia due to Hemophilus influenzaeBillable
  • J15Bacterial pneumonia, not elsewhere classifiedHeader
  • J16Pneumonia due to other infectious organisms, not elsewhere classifiedHeader
  • J17Pneumonia in diseases classified elsewhereBillable

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