ICD-10 Diagnosis Code J18.0

Bronchopneumonia, unspecified organism

Diagnosis Code J18.0

ICD-10: J18.0
Short Description: Bronchopneumonia, unspecified organism
Long Description: Bronchopneumonia, unspecified organism
This is the 2018 version of the ICD-10-CM diagnosis code J18.0

Valid for Submission
The code J18.0 is valid for submission for HIPAA-covered transactions.

Code Classification
  • Diseases of the respiratory system (J00–J99)
    • Influenza and pneumonia (J09-J18)
      • Pneumonia, unspecified organism (J18)

Information for Medical Professionals

Diagnostic Related Groups
The diagnosis code J18.0 is grouped in the following Diagnostic Related Group(s) (MS-DRG V35.0)


Convert to ICD-9 Additional informationCallout TooltipGeneral Equivalence Map
The ICD-10 and ICD-9 GEMs are used to facilitate linking between the diagnosis codes in ICD-9-CM and the new ICD-10-CM code set. The GEMs are the raw material from which providers, health information vendors and payers can derive specific applied mappings to meet their needs.
  • 485 - Bronchopneumonia org NOS

  • Abscess of lung
  • Abscess of lung with pneumonia
  • Acute bronchopneumonia
  • Bilateral bronchopneumonia
  • Bilateral pneumonia
  • Bronchopneumonia
  • Bronchopneumonia caused by anaerobic bacteria
  • Catarrhal pneumonia
  • Confluent bronchopneumonia with abscess formation
  • Confluent pneumonia
  • Hemorrhagic bronchopneumonia
  • Influenzal bronchopneumonia
  • Necrosis of bronchus
  • Necrotizing bronchopneumonia
  • Peribronchial pneumonia
  • Pleurobronchopneumonia
  • Pneumonia and influenza
  • Pneumonia caused by anaerobic bacteria
  • Pulmonary necrosis
  • Terminal bronchopneumonia

Index of Diseases and Injuries
References found for the code J18.0 in the Index of Diseases and Injuries:

Information for Patients


Also called: Bronchopneumonia

Pneumonia is an infection in one or both of the lungs. Many germs, such as bacteria, viruses, and fungi, can cause pneumonia. You can also get pneumonia by inhaling a liquid or chemical. People most at risk are older than 65 or younger than 2 years of age, or already have health problems.

Symptoms of pneumonia vary from mild to severe. See your doctor promptly if you

  • Have a high fever
  • Have shaking chills
  • Have a cough with phlegm that doesn't improve or gets worse
  • Develop shortness of breath with normal daily activities
  • Have chest pain when you breathe or cough
  • Feel suddenly worse after a cold or the flu

Your doctor will use your medical history, a physical exam, and lab tests to diagnose pneumonia. Treatment depends on what kind you have. If bacteria are the cause, antibiotics should help. If you have viral pneumonia, your doctor may prescribe an antiviral medicine to treat it.

Preventing pneumonia is always better than treating it. Vaccines are available to prevent pneumococcal pneumonia and the flu. Other preventive measures include washing your hands frequently and not smoking.

NIH: National Heart, Lung, and Blood Institute

  • Aspiration pneumonia (Medical Encyclopedia)
  • Atypical pneumonia (Medical Encyclopedia)
  • Hospital-acquired pneumonia (Medical Encyclopedia)
  • Mycoplasma pneumonia (Medical Encyclopedia)
  • Pneumonia (Medical Encyclopedia)
  • Pneumonia - adults - discharge (Medical Encyclopedia)
  • Pneumonia - children - community acquired (Medical Encyclopedia)
  • Pneumonia - children - discharge (Medical Encyclopedia)
  • Viral pneumonia (Medical Encyclopedia)

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