ICD-10 Diagnosis Code J20.4

Acute bronchitis due to parainfluenza virus

Diagnosis Code J20.4

ICD-10: J20.4
Short Description: Acute bronchitis due to parainfluenza virus
Long Description: Acute bronchitis due to parainfluenza virus
This is the 2018 version of the ICD-10-CM diagnosis code J20.4

Valid for Submission
The code J20.4 is valid for submission for HIPAA-covered transactions.

Code Classification
  • Diseases of the respiratory system (J00–J99)
    • Other acute lower respiratory infections (J20-J22)
      • Acute bronchitis (J20)

Information for Medical Professionals

Diagnostic Related Groups
The diagnosis code J20.4 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.

  • Acute parainfluenza virus bronchitis
  • Acute viral bronchitis
  • Inflammation of larynx caused by virus
  • Parainfluenza virus bronchitis
  • Parainfluenza virus laryngitis
  • Parainfluenza virus laryngotracheobronchitis

Information for Patients

Acute Bronchitis

Bronchitis is an inflammation of the bronchial tubes, the airways that carry air to your lungs. It causes a cough that often brings up mucus. It can also cause shortness of breath, wheezing, a low fever, and chest tightness. There are two main types of bronchitis: acute and chronic.

Most cases of acute bronchitis get better within several days. But your cough can last for several weeks after the infection is gone.

The same viruses that cause colds and the flu often cause acute bronchitis. These viruses spread through the air when people cough, or though physical contact (for example, on unwashed hands). Being exposed to tobacco smoke, air pollution, dusts, vapors, and fumes can also cause acute bronchitis. Less often, bacteria can also cause acute bronchitis.

To diagnose acute bronchitis, your health care provider will ask about your symptoms and listen to your breathing. You may also have other tests.

Treatments include rest, fluids, and aspirin (for adults) or acetaminophen to treat fever. A humidifier or steam can also help. You may need inhaled medicine to open your airways if you are wheezing. Antibiotics won't help if the cause is viral. You may get antibiotics if the cause is bacterial.

NIH: National Heart, Lung, and Blood Institute

  • Bronchitis - acute (Medical Encyclopedia)
  • Postural drainage (Medical Encyclopedia)
  • Routine sputum culture (Medical Encyclopedia)

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