Free Cortisol (24 Hrs Urine)

Specimen Required

24 Hrs Urine

Fasting Required

Purpose of the Test

The free cortisol (24 hrs urine) test is used to measure the level of cortisol, a hormone produced by the adrenal gland, in a person’s urine. It is primarily used to diagnose and monitor conditions related to cortisol production, such as Cushing’s syndrome and Addison’s disease.

When this test is required

The test may be requested when a person shows symptoms of Cushing’s syndrome or Addison’s disease, such as weight gain or loss, fatigue, muscle weakness, and changes in blood pressure. It may also be requested when monitoring the effectiveness of treatment for these conditions

What the Test Detects

The test measures the level of cortisol in a person’s urine. Cortisol is a hormone produced by the adrenal gland in response to stress. It helps regulate blood pressure, blood sugar levels, and the immune system.

Preparation for the Test

There is no specific test preparation needed. However, it is recommended to inform the healthcare provider about any medications being taken before the test.

Sample Requirements

The test requires a 24-hour urine sample, which involves collecting all urine produced over a 24-hour period in a container provided by the healthcare provider.

Additional Notes

The free cortisol (24 hrs urine) test is a useful tool for diagnosing and monitoring conditions related to cortisol production. However, it may not detect all cases of these conditions, especially in the early stages. It is recommended to discuss the test results with a healthcare provider for further guidance and treatment options.

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