ICD-10-CM › J00-J99 › J40-J4B › J44 Other chronic obstructive pulmonary disease › J44.9

J44.9

Chronic obstructive pulmonary disease, unspecified

ValidICD-10-CM diagnosis code.

Valid for claims with a date of service in the current code year.

Valid FY2016 onwards.

What has happened to this code

Every change the publisher made, from 2007 to now. Entries marked draft are from the pre-implementation releases: ICD-10 took effect on 1 October 2015, so nothing before FY2016 was ever valid on a claim.

  1. FY2007 Added to the draft code set draft Chronic obstructive pulmonary disease, unspecified

Official coding rules

Published by CDC for FY2027. A rule attached to a category binds every code beneath it, so the rules inherited from this code's ancestors are shown with the code they come from.

Inherited from J44 Other chronic obstructive pulmonary disease

Excludes2 - not included here

  • bronchiectasis (J47.-)
  • chronic bronchitis NOS (J42)
  • chronic simple and mucopurulent bronchitis (J41.-)
  • chronic tracheitis (J42)
  • chronic tracheobronchitis (J42)
  • emphysema without chronic bronchitis (J43.-)

Code also

  • type of asthma, if applicable (J45.-)

Includes

  • asthma with chronic obstructive pulmonary disease
  • chronic asthmatic (obstructive) bronchitis
  • chronic bronchitis with airway obstruction
  • chronic bronchitis with emphysema
  • chronic emphysematous bronchitis
  • chronic obstructive asthma
  • chronic obstructive bronchitis
  • chronic obstructive tracheobronchitis

Inherited from the J40-J4B section Chronic lower respiratory diseases (J40-J4B)

Excludes1 - never coded here

  • bronchitis due to chemicals, gases, fumes and vapors (J68.0)

Excludes2 - not included here

  • cystic fibrosis (E84.-)

How CDC's index refers to this code

Wording from the official alphabetic index. Much of it appears nowhere in the code description, which is why a search for the everyday phrase so often finds nothing.

Codes in the same group

CodeDescriptionStatus
J44.0 Chronic obstructive pulmonary disease with (acute) lower respiratory infection Valid
J44.1 Chronic obstructive pulmonary disease with (acute) exacerbation Valid
J44.8 Other specified chronic obstructive pulmonary disease Not billable