Block in Chapter 10
J40–J4B
Chronic lower respiratory diseases
Use additional code
Add the listed code as a secondary code, if known.
Also from chapter/block level (7 notes)
Inherited from Chapter 10 Diseases of the respiratory system
Excludes1
Not coded here. The listed conditions generally should not be reported together.
This page
- bronchitis due to chemicals, gases, fumes and vapors (J68.0)
Excludes2
Not included here. Both codes may be reported if the patient has both conditions.
This page
- cystic fibrosis (E84.-)
Also from chapter/block level (9 notes)
Inherited from Chapter 10 Diseases of the respiratory system
- 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
Also from chapter/block level (1 note)
Inherited from Chapter 10 Diseases of the respiratory system
- 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).