ICD-10-CM › J00-J99 › J40-J4B › J codes › J4A

J4A

Chronic lung allograft dysfunction

Not billableICD-10-CM diagnosis code.

This code exists but cannot be submitted on its own. It groups the more specific codes beneath it.

A category header for its whole life, FY2024 onwards. It has never been valid for submission on its own.

Submit one of these 3 more specific codes instead:

  • J4A.0 Restrictive allograft syndrome
  • J4A.8 Other chronic lung allograft dysfunction
  • J4A.9 Chronic lung allograft dysfunction, unspecified

What has happened to this code

Every change the publisher made, from 2024 to now.

  1. FY2024 Added to the code set Chronic lung allograft dysfunction

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.

This code

Code first

  • , if applicable:
  • heart-lung transplant rejection (T86.31)
  • lung transplant rejection (T86.810)
  • other complications of heart-lung transplant (T86.39)
  • other complications of lung transplant (T86.818)

Code also

  • , if applicable, bronchiolitis obliterans syndrome (J44.81)

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.-)