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Tests & diagnostics
Diagnostic test & scan preparation checklist
Questions to ask and things to bring before blood tests, ultrasound, X-ray, CT, MRI, or other investigations.
Written by our editorial team; awaiting medical review· Updated October 22, 2026
Ask the diagnostic center in advance
Tell the staff if you
On the day
My notes
This checklist is general information to help you prepare. It is not medical advice. Always follow the instructions of your own doctor, hospital, or diagnostic center. In an emergency, call your local emergency number.