Testing Salivary Cortisol 4 times throughout the day, may detect excess Cortisol production
Information for this blood test
Test Name: 4 x Cortisol Saliva
GP Referral: Yes this included
Target Turn Around Time in working days: 1 Working Day
Test Inclusions: Saliva Cortisol x 4
Special Instructions: Please collect your samples at the following times: upon waking, 12pm, 4pm and before bedtime.
Laboratory Notes: Our late afternoon and evening salivary cortisol levels are quoted with 'cut off' levels, rather than ranges. The figure will be quoted therefore as 'less than' (with the symbol <) because it is not possible to record with any degree of confidence very low levels of cortisol. The margin of error is too high. This statement applies to most commonly used cortisol testing processes - if the level of cortisol is very low (which indeed is a normal situation at the end of the day) an absolute lower limit should not be quoted because any level recorded below that 'cut off' is acceptable, and very low values recorded may not be as low as they appear. In practice this makes no difference to interpretation of results. A low level, approaching zero, is acceptable, whereas a higher level (above the laboratory threshold or 'cut off') may indicate Cushing's disease.
Further information. If you require any information on this test please call our team on: 0800 999 1110
How do you get a Blood Test?
1. Order Online. Select your required blood test from our test menu or call us on 0800 999 1110.
2. Arrange your sample collection appointment/blood draw.(ensure you have checked if you need to fast before attending your blood draw)
3. Wait for your blood test results, once they’re ready we will send them to you via email within the turnaround time stated on the website.
Do I need a Doctors referral to use this service?
No you do not require a Doctor’s Referral, we provide one when you have placed an order. This is free of charge, and a consultation is not required unless stated on certain tests.
How soon will I get my blood test results?
The turnaround time is a guide only, and will sometimes depend upon assay run schedules. Most results are provided within the time frame provided, but there may be technical difficulties, or the results may need to be re-run to check accuracy, or our Doctor may be held up passing comment. We can easily give you a status report, so please do email us or phone us to chase results, not the Laboratory itself.
Where can I get my blood taken if I order a vacutainer kit?
If you do not know of a professional nurse or phlebotomist we can refer you to a BMI Hospital or arrange a Nurse home visit (charges will apply). PLEASE NOTE: You cannot attend at a Spire Hospital or the Doctors Laboratory (TDL) for your blood draw using our kit as our postal service is dealt with by a completely separate laboratory network.
What is the difference between reported and unreported results?
1. Reported results will be sent to the GP for comment, this process can take up to two working days to complete in addition to the stated turnaround time for results.
2. If you select unreported results, then you choose not to have the interpretation of our GP and they will be sent directly to you. This is advisable if you already have a specialist to share the results with or are able to interpret them yourself. In the event of any results being of a critical nature we will always be in contact to make you aware of this.