The CAR involves a measure of the percent rise in cortisol from awakening to 30 minutes post-awakening and the expected decline in cortisol seen at 60 minutes. CAR can be utilized as a biomarker for assessment of the HPA axis function.
Lab Test Comparisons
To help you choose the best test for your patients, we’ve built lab test comparisons! Select any lab tests to compare up to 18 key characteristics between them. You also have the ability to copy & share a link to your comparisons to anyone inside or outside of Rupa!
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The DUTCH Complete™ is a comprehensive assessment of sex and adrenal hormones and their metabolites and includes the daily, free cortisol pattern, organic acids, melatonin, and 8-OHdG. This test cannot be ordered for patients under 12 years of age.
DHEA-Sulfate
by
Access Med Labs
Serum
This is a single-marker test measuring DHEA-S. DHEA-S is used to evaluate androgen imbalances.
Cortisol
by
Access Med Labs
Serum
This is a single-marker test measuring cortisol. It can help you diagnose conditions such as adrenocortical insufficiency, Addison's disease, adrenocortical hypersecretion, and Cushing's syndrome.
DUTCH Plus
by
DUTCH
Saliva
Urine
The DUTCH Plus™ offers an extensive assessment of sex and adrenal hormones and their metabolites. It also assesses the Cortisol Awakening Response (CAR) and includes the insomnia cortisol sample. This test cannot be ordered for patients under 12 years of age.
Saliva Profile III - female/male
by
ZRT Laboratory
Saliva
The Saliva Profile III provides a baseline assessment of four sex and adrenal hormones. It includes a diurnal cortisol profile.
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On December 11th, join Dr. Terry Wahls in a 
