Estimated Turnaround Time: 11 Working days.
Sample Type: Blood
Fasting: Fasting not indicated
Profile Inclusions: Serotonin
Regular price£409.15
Phlebotomy included
Collect 4091 Pathology Points worth £40.92 to put towards future testing.

Thank you - 1.0% of your order total will be donated to Our Charity of the Month

Order Securely Online.

Order your Serotonin Blood test safely and Securely Online, you'll be emailed a Pathology Passport.

Attend your Chosen Hospital.

Make an appointment at your chosen Hospital, bring your Pathology Passport. You pay no extra for phlebotomy.

Results in 11 Working Days.

The target turnaround time for Serotonin is 11 working days - these will be sent to you by email.

This serotonin blood test measure the amount of serotonin in the blood - it is tested to diagnose a carcinoid tumour. Possible symptoms of a carcinoid tumour may be diarrhoea, wheezing or flushing. The serotonin test may be requested as a follow up from previous 5-HIAA testing.

This confidential blood check for Serotonin is available at all of the thirty private hospital locations across the UK.

Included in every single pathology request for Serotonin are a Doctors Referral, all Phlebotomy fees (your blood taken at a Private Hospital), all laboratory fees and includes our GP comments.

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Inclusions: Serotonin
Special Instructions: Freeze whole blood sample within 1 hour and send to the laboratory immediately.
Attendance Restrictions: A morning Monday - Thursday attendance is required
Laboratory Notes: 48 hours prior to having your bloods drawn, you should avoid consuming Bananas, Chocolate, Tomatoes, Grapefruit, Nuts, Avocado, Pineapple, Plums, Citrus Fruit, Tea & Coffee
Sample Container: 1 x Green
Fasting: If fasting is required, it will be explained on your Pathology Passport. 8 hours fasting is sufficient when it is required.
Freezing Requirements
  • This Test Carries a Frozen Sample Requirement. This means that it is available in only 16 of the 30+ Spire Locations that we work with. To explore which locations are able to accept tests that carry frozen sample requirements, please use the Hospital Finder or view the individual Location Page.

Over a million pathology tests conducted - order your Serotonin Test with confidence.


Fantastic. I've suggested your service to a few people. And I'll definitely be using again.

Kathryn Reeves

From the moment I ordered online everything went swimmingly and I received my results on time. Doctrors Comments were very useful.

Libbie Sanders

Thank you for all your help and support. I have been using your services for the last three years and I have been super happy with that.


Thank you, excellent service!


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