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

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

Billable code

ICD-10-CM code J44.1
Code
J44.1 (claims format: J441)
Description
Chronic obstructive pulmonary disease with (acute) exacerbation
Short description
Chronic obstructive pulmonary disease w (acute) exacerbation
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 J44.1

Applicable to:
  • Decompensated COPD
  • Decompensated COPD with (acute) exacerbation
Excludes2 (not included here):
  • chronic obstructive pulmonary disease [COPD] with acute bronchitis (J44.0)
  • lung diseases due to external agents (J60-J70)

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 J44.1

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

Related codes in J44

Frequently asked questions

What is ICD-10 code J44.1?

J44.1 is the ICD-10-CM code for chronic obstructive pulmonary disease with (acute) exacerbation, in the block J40-J4B (Chronic lower respiratory diseases).

Is J44.1 a billable code?

Yes. J44.1 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.

What category does J44.1 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.