Can an above-range DHEA-S level indicate increased adrenal androgen output?

DHEA-S is the major circulating sulfated adrenal androgen. In a 52-year-old man, an above-range result—when judged against the laboratory’s age-, sex-, and assay-specific interval—reasonably supports increased adrenal androgen output, but does not itself identify the cause.

Physiological and mechanistic basis

• The adrenal cortex, specifically the zona reticularis, is the principal source of circulating DHEA-S. This zone expresses CYP11A1 and CYP17A1 for DHEA precursor formation; cytochrome b5 (CYB5) enhances CYP17A1 17,20-lyase activity.
• SULT2A1 then sulfates DHEA using PAPS to form DHEA-S. Relatively low HSD3B2 expression favors DHEA/DHEA-S synthesis over competing steroid pathways.
• ACTH stimulates zona-reticularis androgen production, including DHEA and DHEA-S. In adult men, direct testicular contribution to circulating DHEA-S appears minor.

Clinical interpretation

• DHEA-S has relatively limited diurnal variation and longer persistence than DHEA, making it a useful marker of adrenal androgen production.
• Age is central: DHEA-S declines substantially after its young-adult peak, so a value that might be unremarkable in a younger adult could be meaningfully elevated at age 52.
• An elevated result is indicative, not diagnostic, of an adrenal lesion or any particular disorder. Exogenous DHEA commonly raises DHEA-S and should be specifically reviewed. Unexpected or discordant results may merit confirmation.

Clinical implications

• Marked, persistent elevations—approximately 600–700 µg/dL in commonly cited clinical approaches—particularly alongside rapid virilization, other androgen elevations, or concern for an adrenal mass, increase concern for an adrenal androgen-secreting tumor and may prompt adrenal evaluation or imaging. No universal cutoff applies.
• Complementary testing can include testosterone, androstenedione, 17-hydroxyprogesterone, and cortisol-related studies as clinically indicated.

Bottom line

• The claim is well supported: an above-range DHEA-S level can reflect increased adrenal androgen output, provided medication/supplement exposure, reference intervals, degree of elevation, and the broader clinical picture are considered.