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Cortisol level - Results

Alternative Names

Serum cortisol

Normal Values:

Normal values at 8 a.m. are 6 - 23 mcg/dL.

Note: mcg/dL = micrograms per deciliter

Normal value ranges may vary slightly among different laboratories. Talk to your doctor about the meaning of your specific test results.

What abnormal results mean:

Higher than normal levels may indicate:

Adrenal tumor
Cushing's syndrome
Ectopic ACTH-producing tumors

Lower than normal levels may indicate:

Other conditions under which the test may be performed:

Reviewed last on: 3/18/2008
Elizabeth H. Holt, MD, PhD, Assistant Professor of Medicine, Section of Endocrinology and Metabolism, Yale University. Review provided by VeriMed Healthcare Network. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.

References

Stewart PM. The adrenal cortex. In: Kronenberg HM, Melmed S, Polonsky KS, Larsen PR, eds. Williams Textbook of Endocrinology. 11th ed. Philadelphia, PA: Saunders Elsevier; 2008: chap 14.

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