What exact test am I having?
The test name determines the preparation, sample and practical requirements.
DIAGNOSTIC PREPARATION
The right preparation depends on the exact test.
Laboratory tests and ultrasound scans can have different preparation requirements. This page helps you ask the right questions without giving one-size-fits-all instructions that may be wrong for your test.
CARE PATHWAYClear next steps, human support.
Do not fast, stop medication or change treatment just because you are coming for a test.
Preparation varies. Confirm the exact instructions for the test you have been asked to do and follow the guidance given by the appropriate healthcare professional.
LABORATORYLaboratory Services
Before a laboratory visit
Know the exact test requested.Different samples and tests can have different preparation requirements.
Ask whether fasting is required.Do not assume every blood test requires fasting.
Ask about medication instructions.Never stop prescribed medicine on your own for a test.
Know how results will be communicated.Clarify when, where and with whom the result should be reviewed.
ULTRASOUNDUltrasound Services
Before an ultrasound appointment
Confirm which scan was requested.Preparation can differ depending on the body area and clinical question.
Ask whether eating or drinking instructions apply.Follow the specific guidance for your booked scan.
Bring relevant referral information.This helps the service understand what has been requested.
Clarify your result pathway.Know whether the report goes to you, the referring clinician or another care team.
THREE QUESTIONS
Confirm these before the test.
Good diagnostic preparation is less about memorising rules and more about confirming the right information for your exact service.
How should I prepare?
Ask specifically about food, drink, medication, clothing, timing and anything you need to bring.
What happens after?
Confirm when results are expected and who should interpret them with you.
Who do I call if unclear?
Use the hospital contact to clarify instructions rather than relying on generic online advice.