COPD airflow obstruction grade by post-bronchodilator spirometry (GOLD 2026) gold2026_copd_airflow@1.0
1
Draft · pending review draft — pending clinical and coding review
- Status
- draft — pending clinical and coding review (draft — requires clinical and coding review)
- Condition
- Chronic obstructive pulmonary disease (spirometric grade)
- Tier
- 1
- Use here
- default set (copd_airflow)
- Edition
- 2026 report (2026)
- Second source
- none opened · not found: No independent second source (e.g. ATS/ERS) was opened.
- Contested
- yes: The fixed ratio 0.7 is contested against the lower limit of normal (z-score) approach used by ATS/ERS interpretation standards (not opened); the fixed ratio over-diagnoses in older and under-diagnoses in younger adults.
Global Initiative for Chronic Obstructive Lung Disease (GOLD), Global Strategy for Prevention, Diagnosis and Management of COPD: 2026 Report — Pocket Guide
gold2026_copd_airflow@1.0In patients with COPD (FEV1/FVC < 0.7): GOLD 1: Mild FEV1 ≥ 80% predicted; GOLD 2: Moderate 50% ≤ FEV1 < 80% predicted; GOLD 3: Severe 30% ≤ FEV1 < 50% predicted; GOLD 4: Very Severe FEV1 < 30% predicted
2026 report (2026) · Figure 2.10 (PDF page 20); key points (PDF page 11) · source
Review
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