was kostet ein vitamin test beim arzt — what symptoms are typical?

The question about the cost of a vitamin test at the doctor and typical symptoms cannot be answered from the provided context, which only covers hormone and DNA tests. In general medical practice, costs for a vitamin test (e.g., vitamin D, B12, folate) depend on insurance and medical indication: if a deficiency is suspected due to symptoms like fatigue, poor concentration, brittle nails, hair loss, muscle weakness, or depression, statutory health insurance usually covers the lab fees. Without clear symptoms, the test is offered as an individual health service (IGeL), typically costing €20–50 per vitamin. Common deficiency symptoms are non-specific: vitamin D deficiency often presents with fatigue and bone pain, B12 deficiency with neurological issues and anemia. A vitamin test can be useful when symptoms are present, but it is not a substitute for a clinical diagnosis. The context provides no validated sources on vitamin tests; evidence is based on general practice. Caveat: self-testing without medical guidance may lead to unnecessary supplementation or missed diagnoses.