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J44.9 — Chronic obstructive pulmonary disease, unspecified
J44.9
What this code means
Chronic obstructive pulmonary disease (COPD) is a long-term lung condition of airflow limitation, usually from smoking, causing breathlessness.
Also called: copd, chronic obstructive pulmonary disease.
When this code is used
Used for chronic obstructive pulmonary disease, unspecified.
Where it sits in ICD-10-CM
Code J44.9 belongs to Chapter 10: Diseases of the respiratory system, which covers codes J00–J99 in the FY2027 ICD-10-CM tabular list. The official description above is copied verbatim from the CDC/NCHS FY2027 code file.
Learn more about this condition
Related symptoms
Related anatomy
Watch: related videos
Frequently asked questions
What is ICD-10-CM code J44.9?
J44.9 is the ICD-10-CM diagnosis code for “Chronic obstructive pulmonary disease, unspecified”. Chronic obstructive pulmonary disease (COPD) is a long-term lung condition of airflow limitation, usually from smoking, causing breathlessness.
When is code J44.9 used?
Used for chronic obstructive pulmonary disease, unspecified. It belongs to Chapter 10 of ICD-10-CM (Diseases of the respiratory system).
This guide explains ICD-10-CM codes in plain language for patients, students and other readers. It is educational information only — not coding, billing or medical advice. The code recorded for any real encounter is assigned from the full clinical documentation by the treating team and qualified coders, and only they can decide which code fits a specific case.