J44.81 – Bronchiolitis obliterans and bronchiolitis obliterans syndrome

ICD-10-CM 2027 diagnosis code · Chronic lower respiratory diseases

Billable code

ICD-10-CM code J44.81
Code
J44.81 (claims format: J4481)
Description
Bronchiolitis obliterans and bronchiolitis obliterans syndrome
Short description
Bronchiolitis obliterans and bronchiolitis obliterans synd
Billable
Yes – valid for HIPAA-covered transactions
Valid for
Dates of service October 1, 2026 – September 30, 2027 (FY2027)
Chapter
10. Diseases of the respiratory system (J00-J99)
Block
J40-J4B Chronic lower respiratory diseases
Parent codes
J44 › J44.8

Notes for J44.81

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)

Notes inherited from parent codes

Instructional notes at a category or block level apply to every code below it.

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.-)

Block J40-J4B

Excludes1 (not coded here):
  • bronchitis due to chemicals, gases, fumes and vapors (J68.0)
Excludes2 (not included here):
  • cystic fibrosis (E84.-)

Index terms for J44.81

Entries in the ICD-10-CM alphabetic index that lead to this code:

Related codes in J44.8

Frequently asked questions

What is ICD-10 code J44.81?

J44.81 is the ICD-10-CM code for bronchiolitis obliterans and bronchiolitis obliterans syndrome, in the block J40-J4B (Chronic lower respiratory diseases).

Is J44.81 a billable code?

Yes. J44.81 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.

What category does J44.81 belong to?

It belongs to category J44 – Other chronic obstructive pulmonary disease.

Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.