J44.9 – Chronic obstructive pulmonary disease, unspecified
ICD-10-CM 2027 diagnosis code · Chronic lower respiratory diseases
ICD-10-CM code
J44.9
- Code
J44.9(claims format:J449)- Description
- Chronic obstructive pulmonary disease, unspecified
- 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
Notes for J44.9
Applicable to:
- Chronic obstructive airway disease NOS
- Chronic obstructive lung disease NOS
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):
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 J44.9
Entries in the ICD-10-CM alphabetic index that lead to this code:
- Disease, diseased, lung, obstructive
- Disease, diseased, airway, obstructive, chronic
- Disease, diseased, pulmonary, chronic obstructive
- Obstruction, obstructed, obstructive, airway, chronic
- Obstruction, obstructed, obstructive, respiratory, chronic
- Obstruction, obstructed, obstructive, lung, disease, chronic
Related codes in J44
Frequently asked questions
What is ICD-10 code J44.9?
J44.9 is the ICD-10-CM code for chronic obstructive pulmonary disease, unspecified, in the block J40-J4B (Chronic lower respiratory diseases).
Is J44.9 a billable code?
Yes. J44.9 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.
What category does J44.9 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.