Diagnosis Code: 491.0

Short Description: Simple chr bronchitis

Long Description: Simple chronic bronchitis

Code Classification:

• Diseases of the respiratory system (460–519)
  • Chronic obstructive pulmonary disease and allied conditions (490-496)
    • 491 Chronic bronchitis
      • 491.0 Simple chr bronchitis

Code Version: 2015 ICD-9-CM

References to Index of Diseases and Injuries

The code 491.0 has the following ICD-9-CM references to the Index of Diseases and Injuries

• Bronchitis (diffuse) (hypostatic) (infectious) (inflammatory) (simple) 490
  • catarrhal 490
    • chronic 491.0
  • chronic 491.9
    • catarrhal 491.0
    • due to
      • tobacco smoking 491.0
    • simple 491.0
  • smokers' 491.0

• Bronchorrhea (chronic) (purulent) 491.0
  • acute 466.0

• Catarrh, catarrhal (inflammation) (see also condition) 460
  • bronchial 490
    • chronic 491.0
  • lung (see also Bronchitis) 490
    • chronic 491.0
  • pulmonary (see also Bronchitis) 490
    • chronic 491.0

• Cough 786.2
  • smokers' 491.0

• Smokers'
  • bronchitis 491.0
  • cough 491.0

Crosswalk Information

The code 491.0 converts into the following ICD-10 code(s):

Similar Codes

This page was last updated on: 10/1/2014

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