How is COPD diagnosed?

Medically reviewed by Ashley Wong, Pharm. D.

Licensed Pharmacist

Updated Jan 9, 2026 • Published Jan 8, 2026

Fact Checked

A healthcare provider can diagnose COPD based on a patient's medical history, symptoms, physical examination, and results of breathing or lung tests. However, millions of people have COPD without even knowing it. This is because symptoms may be mistaken for normal aging or as simply the side effects of smoking.

Want to learn more about how COPD is diagnosed? Read our full analysis: What causes COPD? Diagnosis, prevention, and treatment

See more COPD resources below:

Medical disclaimer: This content is for general informational purposes only and does not constitute medical advice. Always consult your pulmonologist or other healthcare provider before making changes to your medication regimen.

Medically reviewed by Ashley Wong, Pharm. D.

Licensed Pharmacist

Ashley Wong, Pharm.D., has worked for healthcare companies where she translated complex drug information into easy-to-understand language for patients. She also served as a Senior Medical Information Specialist at a medical communications company, where she delivered clinically accurate drug information to healthcare providers and patients and compiled adverse event reports in accordance with the FDA's reporting guidelines.

How is COPD diagnosed?

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