J43.9BillableNon-CCHCC 280

Emphysema, unspecified

Diseases of the Respiratory System·Emphysema·subcategory·FY 2027

Emphysema: Emphysema is a type of COPD (chronic obstructive pulmonary disease). COPD is a group of lung diseases that make it hard to breathe and get worse over time. The other main type of COPD is chronic bronchitis. Most people with COPD have both emphysema and chronic bronchitis, but how severe each type is can be different from person to person.

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

Also indexed as: Bleb, emphysematous; Bleb, lung; Bleb, subpleural; Bulla, lung; Cyst, lung, giant bullous; Disease, lung, obstructive, with, emphysema; Emphysema; Obstruction, airway, with, emphysema

Instructional notes

Includes: conditions that are coded here

  • Bullous emphysema (lung)(pulmonary)
  • Emphysema (lung)(pulmonary) NOS
  • Emphysematous bleb
  • Vesicular emphysema (lung)(pulmonary)

Also applies, from J43: Emphysema

These notes sit on J43 and apply to every code under it, including J43.9.

Excludes1: not coded here, use a different code

  • compensatory emphysema (J98.3)
  • interstitial emphysema (J98.2)
  • mediastinal emphysema (J98.2)
  • neonatal interstitial emphysema (P25.0)
  • surgical (subcutaneous) emphysema (T81.82)

Excludes2: not included here, code separately if applicable

  • emphysema due to inhalation of chemicals, gases, fumes or vapors (J68.4)
  • emphysema with chronic (obstructive) bronchitis (J44.-)
  • emphysematous (obstructive) bronchitis (J44.-)
  • traumatic subcutaneous emphysema (T79.7)

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

These notes sit on J40-J4B and apply to every code under it, including J43.9.

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.-)

Where J43.9 sits

MS-DRGs

As the principal diagnosis, this code groups 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 J43.9

If you are coding one of these, its note tells you to add J43.9 too (Code Also, Use Additional Code), code it first (Code First), or not use it together (Excludes1).

  • J98.2 Excludes1: emphysema NOS (J43.9)

ICD-9-CM equivalent

Legacy crosswalk from the CMS General Equivalence Mappings (last updated 2018).

  • 492.0 Emphysematous bleb (approximate)
  • 492.8 Other emphysema (approximate)
ICD-9 to ICD-10 converter