J44.1 Chronic obstructive pulmonary disease with (acute) exacerbation

Instructional Notes:

J44.1
Description: Chronic obstructive pulmonary disease with (acute) exacerbation
Exclude2:
- chronic obstructive pulmonary disease [COPD] with acute bronchitis (J44.0)
- lung diseases due to external agents (J60-J70)
Inclusion Term:
- Decompensated COPD
- Decompensated COPD with (acute) exacerbation
↓
J44
Description: Other chronic obstructive pulmonary disease
Exclude1:
- chronic bronchitis NOS (J42)
- chronic simple and mucopurulent bronchitis (J41.-)
- chronic tracheitis (J42)
- chronic tracheobronchitis (J42)
Exclude2:
- bronchiectasis (J47.-)
- emphysema without chronic bronchitis (J43.-)
Include:
- asthma with chronic obstructive pulmonary disease
- chronic asthmatic (obstructive) bronchitis
- chronic bronchitis with airway obstruction
- chronic bronchitis with emphysema
- chronic emphysematous bronchitis
- chronic obstructive asthma
- chronic obstructive bronchitis
- chronic obstructive tracheobronchitis
Code Also: ['type of asthma, if applicable (J45.-)']
↓
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)