Eurofins Biomnis code

CAR

Synonyms

• Cortisol Awakening Response
• Endocrinology

Specialty

Biochemistry

Clinical significance

The CAR makes it possible to assess the state of the adrenal response on awakening by measuring the rise in cortisol levels at 30 minutes compared to baseline levels.

Preanalytics

•  :
• 0,5 mL saliva T0 reawakening (sample in salivetta), 0,5 mL saliva T30 (sample in salivetta).
•   FROZEN
• Freezing within 4 hours

• A tube specifically for this analysis : No

Further information

Samples are taken from a ¿saliva bottle¿, a sterile powder container (ECBU jar), a sputum jar or any other container (polypropylene tube, etc.) without additives or activators. The first is done on waking and the second after 30 minutes, without eating, sleeping or brushing your teeth (possible contamination by blood) but with your usual morning activity.

Methodology

Radioimmunoassay

Turnaround time

2 weeks (if dilution/control needed - TAT 4 weeks