Burnout is not a diagnosis, and that changes what you should do

This sounds like a technicality. It is not. Where burnout sits in the classification determines what a doctor can certify, what an insurer will pay, and which interventions have any chance of working.

The exact classification

ICD-11 places burnout in the chapter on factors influencing health status or contact with health services, and states it is not classified as a medical condition. The definition is that it is a syndrome conceptualised as resulting from chronic workplace stress that has not been successfully managed, with three dimensions: exhaustion, increased mental distance or cynicism about the job, and reduced professional efficacy.

The WHO adds a scope limit that is almost always ignored: burnout refers specifically to phenomena in the occupational context and should not be applied to describe experiences in other areas of life. Caregiver exhaustion and parental exhaustion are real; this classification is not about them.

The three practical consequences

1. Medical leave. A doctor cannot certify you as having a condition that is not a condition. What they can do is assess whether something diagnosable is present, which in someone who has been depleted for months it often is, and certify that.
2. Insurance. Burnout alone does not support a claim. This catches people out at exactly the wrong moment.
3. What fixes it. Because it is defined as resulting from unmanaged chronic workplace stress, the definition itself tells you the lever is the workplace. Personal resilience training aimed at a workload problem is treating the wrong variable, which is why so much of it fails.

The two-week test

Take a genuine break with no work contact, long enough to matter. Genuine burnout eases when the stressor is actually removed. If the exhaustion, the flatness and the loss of interest are all still there at the end of it, you are probably looking at something that needs treatment in its own right rather than a holiday, and that is a GP conversation.

What to do with the finding

If it is burnout, the changes that work are structural: less load, real recovery time, a boundary agreed with someone rather than held privately. Since 1 December 2024 you can formally request reduced hours or a reduced workload under the flexible work arrangement guidelines, and your employer has to respond in writing within two months.

If the load genuinely cannot change, that is information. A job that cannot be made survivable is a job to leave, and treating that conclusion as a personal failure is the most expensive mistake in this whole area.