J43 – Emphysema

ICD-10-CM 2027 diagnosis code · Chronic lower respiratory diseases

Non-billable header

ICD-10-CM code J43
Code
J43 (claims format: J43)
Description
Emphysema
Billable
No – use a more specific code below
Valid for
Dates of service October 1, 2026 – September 30, 2027 (FY2027)
Chapter
10. Diseases of the respiratory system (J00-J99)
Block
J40-J4B Chronic lower respiratory diseases

Billable codes under J43

J43 is a header code and cannot be used on claims. Choose the most specific code:

Notes for J43

Excludes1 (not coded here):
  • 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):
  • 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)

Notes inherited from parent codes

Instructional notes at a category or block level apply to every code below it.

Block J40-J4B

Excludes1 (not coded here):
  • bronchitis due to chemicals, gases, fumes and vapors (J68.0)
Excludes2 (not included here):
  • cystic fibrosis (E84.-)

Index terms for J43

Entries in the ICD-10-CM alphabetic index that lead to this code:

Frequently asked questions

What is ICD-10 code J43?

J43 is the ICD-10-CM code for emphysema, in the block J40-J4B (Chronic lower respiratory diseases).

Is J43 a billable code?

No. J43 is a header code with more specific child codes; report one of the billable codes listed above.

Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.