ICD-10-CM>J00-J99>J40-J4B>J4AJ4AChronic lung allograft dysfunctionNon-Billable/Non-SpecificCode 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)CodesJ4A.0Restrictive allograft syndromeJ4A.8Other chronic lung allograft dysfunctionJ4A.9Chronic lung allograft dysfunction, unspecified