An IGeL-Leistung is a medical service you pay for yourself because the gesetzliche Krankenkasse does not cover it. The name is short for individuelle Gesundheitsleistung, and a großes Blutbild without a medical reason is a typical example.
IGeL stands for individuelle Gesundheitsleistungen, which are services a practice offers that the gesetzliche Krankenkasse does not pay for. The reason is either that their benefit is not proven well enough or that they go beyond what the Kassen are required to cover, so if you want one you pay for it yourself.
Typical examples in a German practice are ordinary tests and checks without a medical reason behind them:
Prices follow the private fee schedule for doctors, so the same service can cost different amounts at different practices.
Two protections apply to every IGeL, and both are worth knowing before you agree to one:
The opposite of an IGeL is a Kassenleistung, a service your Krankenkasse pays for, such as the Check-up 35 or a blood test your doctor orders because of symptoms.
This glossary entry is general information, not medical advice, and it is not intended to diagnose, treat or rule out any condition. Discuss your own results with a clinician who knows your history.

Most people judge their health by how they feel, and a feeling is a blurry picture that is easy to read wrong.
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