J44.81 Bronchiolitis obliterans and bronchiolitis obliterans syndrome

Billable ICD-10-CM code, FY2026.

Applicable to

• Obliterative bronchiolitis

Code first

• , if applicable:
• complication of bone marrow transplant (T86.09)
• complication of stem cell transplant (T86.5)
• 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, associated conditions, such as:
• chronic graft-versus-host disease (D89.811)
• chronic lung allograft dysfunction (J4A.-)
• chronic respiratory conditions due to chemicals, gases, fumes and vapors (J68.4)

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.

Code annotations containing back-references to J44.81

Back-references to J44.81

• Type 1 Excludes: J42 Unspecified chronic bronchitis ("bronchiolitis obliterans and bronchiolitis obliterans syndrome (J44.81)")
• Code Also: J4A Chronic lung allograft dysfunction (", if applicable, bronchiolitis obliterans syndrome (J44.81)")
• Code Also: J4A.0 Restrictive allograft syndrome (", if applicable, for mixed chronic lung allograft dysfunction, bronchiolitis obliterans syndrome (J44.81)")
• Code Also: J68.4 Chronic respiratory conditions due to chemicals, gases, fumes and vapors ("obliterative bronchiolitis (J44.81)")

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 J44.81

• Bronchiolitis (acute) (infective) (subacute) › chronic (fibrosing) › obliterative
• Bronchiolitis (acute) (infective) (subacute) › fibrosa obliterans
• Bronchiolitis (acute) (infective) (subacute) › obliterans
• Bronchiolitis (acute) (infective) (subacute) › obliterans › syndrome
• Bronchiolitis (acute) (infective) (subacute) › obliterative (chronic) (subacute)
• Bronchiolitis (acute) (infective) (subacute) › obliterative (chronic) (subacute) › due to chemicals, gases, fumes or vapors (inhalation)
• Bronchiolitis (acute) (infective) (subacute) › obliterative (chronic) (subacute) › due to fumes or vapors
• Syndrome › bronchiolitis obliterans
• Syndrome › obliterans › bronchiolitis

Nearby codes

• J44 Other chronic obstructive pulmonary disease
• J44.0 Chronic obstructive pulmonary disease with (acute) lower respiratory infection
• J44.1 Chronic obstructive pulmonary disease with (acute) exacerbation
• J44.8 Other specified chronic obstructive pulmonary disease
• J44.81 Bronchiolitis obliterans and bronchiolitis obliterans syndrome (this code)
• J44.89 Other specified chronic obstructive pulmonary disease
• J44.9 Chronic obstructive pulmonary disease, unspecified