Asthma Management Handbook

Asthma score (Asthma Control Test)

The Asthma Score is a questionnaire-based tool that can be used to standardise review of asthma symptoms.

The Asthma Score was developed by QualityMetric Incorporated and GlaxoSmithKline. Reproduced with permission from GlaxoSmithKline Australia. Asthma Control Test is a trademark of QualityMetric Incorporated.

Table. Asthma Score Opens in a new window Please view and print this figure separately:

Table. Interpretation of Asthma Score (Asthma Control Test)

Score Interpretation
≥ 20 Well-controlled asthma
≤ 15 Uncontrolled asthma
Change of ≥ 3 points Clinically important change in an individual patient


Schatz M, Sorkness CA, Li JT et al. Asthma Control Test: reliability, validity, and responsiveness in patients not previously followed by asthma specialists. J Allergy Clin Immunol 2006; 117: 549-56. Available from:

Schatz M, Kosinski M, Yarlas AS et al. The minimally important difference of the Asthma Control Test. J Allergy Clin Immunol 2009; 124: 719-23. Available from:

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