Current

J4A — Chronic lung allograft dysfunction

Part of Chapter 10: Diseases of the respiratory system , block Chronic lower respiratory diseases (J40-J4B) .

Official Notes

Code First

, if applicable:

Code First

heart-lung transplant rejection ( T86.31 )

Code First

lung transplant rejection ( T86.810 )

Code First

other complications of heart-lung transplant ( T86.39 )

Code First

other complications of lung transplant ( T86.818 )

Code Also

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

Child Codes

Referenced By

Official notes on these codes cite J4A.

J44.81 Bronchiolitis obliterans and bronchiolitis obliterans syndrome Billable

FY 2027 effective October 1, 2026 · CDC NCHS and CMS