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Saliva Cortisol Testing in Australia – The Modern Way


If you’re considering at-home saliva cortisol testing in Australia you’re at the right place. TestoChecker® has been supplying cortisol test kits since 2016 and we have learned how to manage test requests in a way that minimizes the effort required on the client’s part. Below you’ll find links to the two most popular saliva cortisol test kits on this website. 

What are the most established Saliva Cortisol Tests?


There are a number of saliva cortisol test variants and it is important to select one which offers value. A single snap-shot won’t reveal the trajectory of the hormone at that time, nor the behaviour of the hormone outside of that one moment. To get real value, we need to observe the behaviour of cortisol over a period of time. And to do that, we can use one of two established salivary cortisol tests.

promotionalbannertestocheckerproductcomprehensivecortisoltest

Cortisol test results are presented in both graph and chart.


Comprehensive Cortisol Test Kit

The larger 24 hour Comprehensive Cortisol Test records the Cortisol Daily Pattern in full. In addition to checking morning cortisol values, this test will also reveal the hormone evening / night behaviour. This is important, as the cortisol output should be almost non existent by nightfall.

Cortisol Awakening Response (CAR) Test Kit

The Cortisol Awakening Response test [CAR] includes 3 saliva collections in the morning and records the expected rise and fall in cortisol values.  This is also important as we require that burst of cortisol to give us the boost we need for the day ahead. However, the cortisol produced should also disperse by midday and test result charts will highlight if this is in fact occurring. The morning cortisol behaviour is recorded and charted using the TestoChecker CAR test kit.

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How long does cortisol testing take –

Turn-around-time for these tests is six working days. Should irregular cortisol levels be discovered, re-testing to confirm the result will take place, adding two more days to wait time. Whilst TestoChecker are at all times monitoring the progress of our clients pathology tests, the reality is the laboratory scientists only care about accuracy.

How to use TestoChecker

The 4 Step process:

  1. Purchase test, have it delivered to your doorstep. Tracking number available on request. Now sent via Express Post 7 days a week.
  2. Perform simple saliva sample collection and complete the included referral form.
  3. Post your sample and referral form back to the lab’ using the Express Post satchel. Tracking included.
  4. Receive your hormone test results by secure .PDF to your designated email address.

Is Saliva OK for testing Cortisol?


Far more than merely “OK”, it is the preferred method for cortisol analysis[l]. Many of the hormones that regulate our physiology, including reproductive function or the ability to control stress, are cycling. Because of this, testing cortisol comprehensively includes multiple samples collected at all hours and using serum for the purpose would present an array of challenges.

Lab tech

In general, laboratories are tight lipped when quizzed about their equipment sighting proprietary reasons. Fair enough, but what are the modern machines used for this purpose? The answer is that it’s a series of machines, and the process itself has a very long name.  It’s called the ‘liquid chromatography-electrospray ionization-tandem mass spectrometric’ (LC-ESI-MS/MS) method, let’s break that down somewhat.

  • LC – liquid chromatography
  • MS/MS – atmospheric pressure ionization
  • ESI – electrospray ionization

Right. we just hit the edge of knowledge town. It’s been a pleasure. If you would like to learn more about the equipment used in laboratories look it up.

All the best & don’t get stressed!

G. Saywell | GM

TestoChecker Hormone Test Kits®
Ph: (02) 093271336
802 Pacific Highway, Suite 1A, Level 2, Gordon, NSW, 2072, Australia.


Sources cited: [l] Salivary cortisol measurement– a reliable method for the diagnosis of Cushing’s syndrome [PMID: 15891959M Trilck 1J FlitschD K LüdeckeR JungS Petersenn


TestoChecker business hours:
9:00 AM–5:30 PM Monday
9:00 AM–5:30 PM Tuesday
9:00 AM–5:30 PM Wednesday
9:00 AM–5:30 PM Thursday
9:00 AM–5:30 PM Friday
9:00 AM–1:00 PM Saturday
Closed on Sunday

Additional reading:

What’s So Important About the Stress Hormone Cortisol?            FAQ – saliva hormone testing in Australia