Diurnal Cortisol (CX4) - At Home Saliva Test Kit - HrtORG
Diurnal Cortisol (CX4) - At Home Saliva Test Kit - HrtORG

Diurnal Cortisol (CX4) - At Home Saliva Test Kit

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  • Description

Diurnal Cortisol Profile

The full diurnal cortisol profile at four-time points during the day.

Diurnal Cortisol Test - Normal Levels

Diurnal Cortisol Profile includes: Cx4

Measure Cortisol levels at four points during the day. 

Tests morning, noon, evening, and nighttime Cortisol.

Consider for: Stress, immune dysfunction, chronic fatigue, and / or multiple symptoms of adrenal imbalance.

High Cortisol 

Results in insomnia, anxiety, sugar cravings, feeling tired but wired, increased belly fat & bone loss

Low Cortisol

Causes chronic fatigue, low energy, food and sugar cravings, poor exercise tolerance or recovery & low immune reserves.

Saliva testing has long been used as an accurate and reliable method for measuring cortisol because it’s simple and non-invasive, and patients can collect these samples multiple times per day.

How Does It Work?

  • Step 1

    Order the test kit online and a complete materials package will be delivered to your door.

  • Step 2

    Follow the instructions for the collection of saliva, blood, or urine and return samples via prepaid shipping label.

  • Step 3

    Get results quickly and discreetly through a secure online portal or have a physical copy sent directly to you.


Why Test With Us?

  • Highest Testing Standards

    We use the most up-to-date collection methods to secure blood, urine, and saliva samples for shipment and testing. Our at-home test kits and methodologies meet the highest standards for both quality and validity.

  • Certified Testing Labs

    CLIA (Clinical Laboratory Improvement Amendments) certified laboratories are used to receive and evaluate test samples. This ensures strict adherence to both state and federal guidelines with regular inspections from applicable government agencies.

  • Key Facts About The Lab

    Operating for over 20 years with over 8 million tests completed. Developed three distinct hormone testing methods. Partner with the CDC and NIH on research.


Ask a Question
  • I took my samples on a Friday but lab opens Monday. Are my samples still good?

    Hi Dee, 

    SALIVA samples should be sent as soon as possible after collection and will remain stable under average shipping conditions, including over weekends and holidays and during hot temperatures. If the sample(s) will not be sent the day of collection, please store in the freezer and note dates in Section 5 of the Test Requisition.

  • For the saliva testing kits to measure cortisol, is it shipped back at room temperature?

    Yes, the sample will be stable during shipping. Freeze any samples not being shipped within 24 hours.

  • For the Diurnal Cortisol x4 test, does it matter what day of your menstrual cycle you collect the saliva?

    Hello for the Diurnal Cortisol test, you can collect on any day of the month.

  • I do not understand the instructions. 4 tubes. do I take morning noon and night saliva in each tube or is each tube a separate time of day?

    Upon Waking (Large Tube), Before Lunch (Small Tube), Before Dinner (Small Tube) and Before Bed (Small Tube) are the collection times for the diurnal cortisol test and why the 4 tubes are provided. If you have any other questions please let us know!