J44.9 Chronic obstructive pulmonary disease, unspecified
Billable ICD-10-CM code, FY2026.
Applicable to
- Chronic obstructive airway disease NOS
- Chronic obstructive lung disease NOS
Excludes2 (not included here)
- lung diseases due to external agents (J60-J70)
Applies from J44 Other chronic obstructive pulmonary disease
Includes
- 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
Excludes2 (not included here)
- bronchiectasis (J47.-)
- chronic bronchitis NOS (J42)
- chronic simple and mucopurulent bronchitis (J41.-)
- chronic tracheitis (J42)
- chronic tracheobronchitis (J42)
- emphysema without chronic bronchitis (J43.-)
Code also
- type of asthma, if applicable (J45.-)
Risk adjustment (HCC)
- CMS-HCC V28: HCC 280 — Chronic Obstructive Pulmonary Disease, Interstitial Lung Disorders, and Other Chronic Lung Disorders
- CMS-HCC V22: HCC 111 — Chronic Obstructive Pulmonary Disease
- RxHCC V08: HCC 229 — Chronic Obstructive Pulmonary Disease, Bronchiectasis, and Other Asthma
- ESRD V24: HCC 111
MS-DRG index
Defines the logic of DRG(s) 190-192 in MDC 04.
Approximate ICD-9-CM (GEMs)
491.20 Obstructive chronic bronchitis without exacerbation (approximate)493.20 Chronic obstructive asthma, unspecified (approximate)496 Chronic airway obstruction, not elsewhere classified (approximate)
Code annotations containing back-references to J44.9
Back-references to J44.9
- Type 1 Excludes:
J42 Unspecified chronic bronchitis ("chronic obstructive pulmonary disease NOS (J44.9)")
Back-references to J44
- Code First:
I21.A1 Myocardial infarction type 2 ("chronic obstructive pulmonary disease (J44.-)") - Type 2 Excludes:
J20 Acute bronchitis ("chronic obstructive bronchitis (J44.-)") - Type 2 Excludes:
J20 Acute bronchitis ("chronic obstructive tracheobronchitis (J44.-)") - Type 2 Excludes:
J41 Simple and mucopurulent chronic bronchitis ("chronic obstructive bronchitis (J44.-)") - Type 1 Excludes:
J42 Unspecified chronic bronchitis ("chronic asthmatic bronchitis (J44.-)") - Type 1 Excludes:
J42 Unspecified chronic bronchitis ("chronic bronchitis with airways obstruction (J44.-)") - Type 1 Excludes:
J42 Unspecified chronic bronchitis ("chronic emphysematous bronchitis (J44.-)") - Type 2 Excludes:
J43 Emphysema ("emphysema with chronic (obstructive) bronchitis (J44.-)") - Type 2 Excludes:
J43 Emphysema ("emphysematous (obstructive) bronchitis (J44.-)")
Diagnosis Index entries for J44.9
- Disease, diseased › airway › obstructive, chronic
- Disease, diseased › lung › obstructive (chronic)
- Disease, diseased › pulmonary › chronic obstructive
- Obstruction, obstructed, obstructive › airway › chronic
- Obstruction, obstructed, obstructive › lung › disease, chronic
- Obstruction, obstructed, obstructive › respiratory › chronic
Nearby codes
J44.0 Chronic obstructive pulmonary disease with (acute) lower respiratory infectionJ44.1 Chronic obstructive pulmonary disease with (acute) exacerbationJ44.8 Other specified chronic obstructive pulmonary diseaseJ44.81 Bronchiolitis obliterans and bronchiolitis obliterans syndromeJ44.89 Other specified chronic obstructive pulmonary diseaseJ44.9 Chronic obstructive pulmonary disease, unspecified (this code)