Customer Support· 3 min read· By The SpideyChat Team

Test Booking and Preparation Questions for Diagnostic Labs

Most failed appointments at diagnostic labs are preparation failures. Example conversations for answering fasting, timing and preparation questions clearly.


A patient arrives for a fasting blood test having had breakfast. Another comes without their referral form. A third took their morning medication when the request said to delay it. All three appointments are wasted, all three patients are annoyed, and all three had the same underlying cause: preparation instructions that were not read or not found.

Diagnostic services lose more capacity to preparation than to no-shows.

What patients ask

Patients usually ask whether they need to fast and for how long, whether they can drink water, whether to take their usual medication, whether the timing of the test matters, whether they need a referral, what to bring, how long the appointment takes, how long results take and who gives them the results.

Example conversations

These scripts use information a lab might publish. Your answers should come from your own pages.

Patient: Do I need to fast for my test? Assistant: It depends which test you are having. The preparation page lists each test with its instructions, including which require fasting and for how long, and whether water is allowed. Your request form will say which test has been ordered.

Patient: Should I take my tablets before the test? Assistant: That needs to come from the doctor who requested the test or prescribed the medication, as it depends on what you take and why. The preparation page explains the general guidance, and the team can pass your question to a clinician.

Patient: When will I get my results? Assistant: The page shows the typical turnaround for each test and explains that results go to the clinician who requested them, who will discuss them with you.

Preparation per test, not a general page

A single page saying "some tests require fasting" helps nobody. Instructions listed test by test, in plain words, are what prevent wasted appointments.

Results belong to clinicians

A lab website must never interpret results or suggest what a value means. Results go to the requesting clinician, and patients with questions go to them, as described in test results and prescription questions that need a person.

Timing and availability

Many tests are time-sensitive, either within a cycle, a course of treatment or a particular time of day. Publishing available slots and any timing requirements avoids cancellations.

Self-pay and screening

Self-pay patients and corporate screening customers ask different questions about price, packages and what is included, covered in health screening enquiries that convert to bookings.

Children and family appointments

Parents ask whether a child can be tested at the same visit, whether they can stay in the room and how the team handles nervous children. Answering these plainly helps families plan a single trip rather than two, and reduces cancellations from parents who were unsure what to expect.

Anxious patients

Needles, scanners and waiting for results all cause anxiety. Explaining what happens step by step, and how long each takes, is a practical kindness that also reduces cancellations. Opticians answer the same style of booking questions, as covered in eye test booking questions opticians hear daily.

Out-of-hours booking

Patients book around work, often late at night, the same pattern described in travel operators and the midnight booking question.

Answering at any hour

SpideyChat for healthcare organisations answers preparation and booking questions from your own pages at any hour and passes clinical questions to your team.

Getting started

Publish preparation instructions for every test, list turnaround times and let patients check at any hour. Try SpideyChat on your own site, or read about answers on the features page.

Frequently asked questions

Do I need to fast before a blood test?
It depends on the test. Labs should publish preparation instructions for each test, and patients should follow the instructions given with their request.
What do patients ask diagnostic labs?
Whether they need to fast, whether to take their usual medication, how long results take, whether they need a referral and what to bring.
Can a website assistant tell a patient to stop taking medication?
No. Medication questions must be answered by the doctor who prescribed it or the clinician requesting the test.

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