All ICD10 Codes
J44Non-billable

Other chronic obstructive pulmonary disease

Diseases of the Respiratory System·Chronic lower respiratory diseases (J40-J4B)·category·FY 2027

5 billable codes under J44: 2 are a CC; all map to HCC 280 (Chronic Obstructive Pulmonary Disease, Interstitial Lung Disorders, and Other Chronic Lung Disorders).A CC or MCC (major CC) is a secondary diagnosis that raises the MS-DRG payment. An HCC counts toward a Medicare Advantage patient's risk score.

COPD: COPD (chronic obstructive pulmonary disease) is a group of lung diseases that make it hard to breathe and get worse over time. Normally, the airways and air sacs in your lungs are elastic or stretchy. When you breathe in, the airways bring air to the air sacs. The air sacs fill up with air, like a small balloon. When you breathe out, the air sacs deflate, and the air goes out. If you have COPD, less air flows in and out of your airways because of one or more problems:

Read more about copd on MedlinePlus · Source: MedlinePlus, National Library of Medicine

Instructional notes

Includes: conditions that are coded here

  • 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

Excludes2: not included here, code separately if applicable

  • 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: add a code for this too, order depends on the encounter

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

Also applies, from Chronic lower respiratory diseases (J40-J4B)

These notes sit on J40-J4B and apply to every code under it, including J44.

Excludes1: not coded here, use a different code

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

Excludes2: not included here, code separately if applicable

  • cystic fibrosis (E84.-)

All codes under J44

J44 can't be used on a claim. Pick a billable code below; grey headings group them.

MS-DRGs

As the principal diagnosis, all 5 billable codes under J44 group to these MS-DRGs (v44.0). Which one applies depends on procedures performed, secondary diagnoses (CC/MCC), and the patient's age and discharge status.

Codes whose notes mention J44

If you are coding one of these, its note tells you to add J44 too (Code Also, Use Additional Code), code it first (Code First), or not use it together (Excludes1).

  • I21.A1 Code First: chronic obstructive pulmonary disease (J44.-)
  • J20 Excludes2: chronic obstructive bronchitis (J44.-)
  • J20 Excludes2: chronic obstructive tracheobronchitis (J44.-)
  • J41 Excludes2: chronic obstructive bronchitis (J44.-)
  • J42 Excludes1: chronic asthmatic bronchitis (J44.-)
  • J42 Excludes1: chronic bronchitis with airways obstruction (J44.-)
  • J42 Excludes1: chronic emphysematous bronchitis (J44.-)
  • J43 Excludes2: emphysema with chronic (obstructive) bronchitis (J44.-)
  • J43 Excludes2: emphysematous (obstructive) bronchitis (J44.-)