When is Blutbild Kinder actually useful?

A complete blood count (CBC) in children is useful when there are specific clinical signs such as persistent fatigue, pallor, frequent infections, unexplained bruising, or growth delay. It helps diagnose anemia, infections, or bone marrow disorders. It is also indicated before major surgery or in chronic diseases (e.g., kidney failure). However, routine screening in healthy, asymptomatic children is not recommended and may lead to unnecessary follow-ups or anxiety. Pediatric guidelines do not support a universal CBC. The evidence is based on clinical practice and expert opinion rather than high-quality trials. Caveat: a normal CBC does not rule out serious disease, and abnormal values must be interpreted in the full clinical context.