CORTISOL SERUM: AFTERNOON SAMPLE

What this test checks

Measures cortisol in the afternoon — part of evaluating daily cortisol rhythm.

Why do people get this test?

Used in detailed adrenal function work-up.

When you should consider this test

• Suspected adrenal disease
• Cushing's syndrome evaluation
• Specialist requested

How to prepare

Sample between 12-4 PM. Stay rested.