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Kessler K10 Psychological Distress Scale

Score the 10-item Kessler Psychological Distress Scale and see the distress band.

By Dr Amer Sheikh, GP Updated 17 October 2026 Clinical review pending

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What is the K10?

The Kessler K10 is a 10-item questionnaire about anxiety and depressive symptoms in the past 30 days. Each item scores 1 to 5.

K10 scoring

ScoreDistress
10–15Low
16–21Moderate
22–29High
30–50Very high

Follow up a high score with a clinical assessment, including risk.

Frequently asked questions

How is the K10 scored?

Ten items score 1 to 5 each, giving a total from 10 to 50.

What is a high K10 score?

A score of 22 to 29 is high distress. 30 or more is very high.

Is the K10 a diagnostic tool?

No. It measures non-specific distress and needs clinical follow-up.

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References

  1. Kessler RC, Andrews G, Colpe LJ, et al. Short screening scales to monitor population prevalences and trends in non-specific psychological distress. Psychol Med 2002;32(6):959–76.

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