J4A.9 Chronic lung allograft dysfunction, unspecified

Instructional Notes:

J4A.9
Description: Chronic lung allograft dysfunction, unspecified
↓
J4A
Description: Chronic lung allograft dysfunction
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)']
↓
J40-J4A
Description: Chronic lower respiratory diseases (J40-J4A)
Exclude1:
- bronchitis due to chemicals, gases, fumes and vapors (J68.0)
Exclude2:
- cystic fibrosis (E84.-)
↓
J00-J99
Description: Diseases of the respiratory system
Exclude2:
- certain conditions originating in the perinatal period (P04-P96)
- certain infectious and parasitic diseases (A00-B99)
- complications of pregnancy, childbirth and the puerperium (O00-O9A)
- congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)
- endocrine, nutritional and metabolic diseases (E00-E88)
- injury, poisoning and certain other consequences of external causes (S00-T88)
- neoplasms (C00-D49)
- smoke inhalation (T59.81-)
- symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)
Notes:
- When a respiratory condition is described as occurring in more than one site and is not specifically indexed, it should be classified to the lower anatomic site (e.g. tracheobronchitis to bronchitis in J40).
Use Additional Code:
- code, where applicable, to identify:
- exposure to environmental tobacco smoke (Z77.22)
- exposure to tobacco smoke in the perinatal period (P96.81)
- history of tobacco dependence (Z87.891)
- occupational exposure to environmental tobacco smoke (Z57.31)
- tobacco dependence (F17.-)
- tobacco use (Z72.0)