Adrenal androgen precursor; the most abundant circulating steroid. Levels fall with age (adrenopause). Elevated in adrenal causes of hyperandrogenism.
| Sex | Age | Range | Notes |
|---|---|---|---|
| Female | 18–40 yrs | 4.3 – 11.3 | Female 18–40 (rises at mid-cycle) |
| Female | ≥ 40 yrs | 0.9 – 7.6 | Female >40; lower post-menopause |
| Male | 18–40 yrs | 5.7 – 14.4 | Male 18–40 |
| Male | ≥ 40 yrs | 2.2 – 9.2 | Male >40 |
⚠ Clinical Note
Reference ranges are indicative. Always interpret results in the context of the individual patient and local laboratory reference intervals, which may vary.