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J18.9
Billable

Pneumonia, unspecified organism

Chapter 10: Diseases of the respiratory system

Billable Code

J18.9 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.

Referenced in Diagnoses

Conditions that use this ICD-10 code in their documentation

View documentation for bibasilar pneumonia
bibasilar pneumonia
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Bibasilar Pneumonia

View documentation for cap

Community-Acquired Pneumonia

View documentation for focal increased opacity in the right upper lung.
focal increased opacity in the right upper lung.
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Focal Increased Opacity in the Right Upper Lung

View documentation for ground glass opacity
ground glass opacity
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Ground Glass Opacity

View documentation for healthcare associated pneumonia
healthcare associated pneumonia
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Healthcare-Associated Pneumonia

View documentation for hospital acquired pneumonia
hospital acquired pneumonia
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Hospital-Acquired Pneumonia

View documentation for left lower lobe pneumonia
left lower lobe pneumonia
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Pneumonia, unspecified organism

View documentation for left upper lobe pneumonia
left upper lobe pneumonia
Primary
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Pneumonia, unspecified organism

View documentation for lung infection
lung infection
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Infectious Pneumonia

View documentation for mucus plug
mucus plug
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Mucus Plug Obstruction

View documentation for nosocomial pneumonia
nosocomial pneumonia
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Nosocomial Pneumonia

View documentation for parapneumonic effusion
parapneumonic effusion
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Parapneumonic Effusion

View documentation for pneumonia right lower lobe
pneumonia right lower lobe
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Pneumonia of the Right Lower Lobe

View documentation for pneumonia unspecified
pneumonia unspecified
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Pneumonia, unspecified organism

View documentation for pneumonia with sepsis
pneumonia with sepsis
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Pneumonia with Sepsis

View documentation for postobstructive pneumonia
postobstructive pneumonia
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Postobstructive Pneumonia

View documentation for recurrent pneumonia
recurrent pneumonia
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Recurrent Pneumonia

View documentation for sepsis due to pneumonia
sepsis due to pneumonia
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Sepsis secondary to Pneumonia

View documentation for sepsis pneumonia
sepsis pneumonia
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Sepsis due to Pneumonia

View documentation for unspecified pneumonia
unspecified pneumonia
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Pneumonia, unspecified organism

View documentation for walking pneumonia
walking pneumonia
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Pneumonia due to Mycoplasma pneumoniae

Additional Information from Parent Codes

The following information may apply to this code from its parent codes in the ICD-10 hierarchy. This information is important for proper coding and classification.

Excludes1

6 items

From J18:

  • 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

17 items

From J00-J99:

  • 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)

From J18:

  • 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

1 item

From J18:

Use Additional Code

7 items

From J00-J99:

  • 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)

Notes

1 item

From J00-J99:

  • 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).
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