What are four indications for undertaking venepuncture?

Venepuncture is typically indicated for blood sampling, such as for laboratory tests to diagnose conditions or monitor health. It is also performed for intravenous therapy administration, allowing for the delivery of medications or fluids. Additionally, venepuncture can be used for blood donations and therapeutic phlebotomy, which involves removing blood to treat certain medical conditions. Lastly, it may be necessary for collecting samples for blood cultures to identify infections.