🫁 COPD Assessment Test (CAT)
Quantify COPD health-status impact with the CAT.
COPD Assessment Test (CAT)
1. Cough
2. Phlegm
3. Chest tightness
4. Breathlessness on hills/stairs
5. Activity limitation at home
6. Confidence leaving home
7. Sleep
8. Energy
When to use
Symptom assessment and monitoring in COPD.
How it works
Eight items scored 0–5; total 0–40. < 10 low, 10–20 medium, 21–30 high, > 30 very high impact.
Key points
- CAT ≥ 10 indicates more symptoms in GOLD ABE.
- A change of ≥ 2 points is meaningful.
- Complements the mMRC scale.
References
Decision support for licensed clinicians only; not a substitute for clinical judgement, diagnosis or local protocols.