Table 1. Androstenedione Reference Ranges (Open Table in a new window)
Conventional Units | SI Units | |
Men | ||
18-30 y | 50-220 ng/dL | 175-768 nmol/L |
31-50 y | 40-190 ng/dL | 140-663 nmol/L |
51-60 y | 50-220 ng/dL | 175-768 nmol/L |
Women | ||
Follicular | 35-250 ng/dL | 122-873 nmol/L |
Midcycle | 60-285 ng/dL | 209-995 nmol/L |
Luteal | 30-235 ng/dL | 105-820 nmol/L |
Postmenopausal | 20-75 ng/dL | 70-262 nmol/L |
Children | ||
1-12 mo | 6-78 ng/dL | 21-272 nmol/L |
1-4 y | 5-51 ng/dL | 17-178 nmol/L |
5-9 y | 6-115 ng/dL | 21-401 nmol/L |
10-13 y | 12-221 ng/dL | 42-771 nmol/L |
14-17 y | 22-225 ng/dL | 77-785 nmol/L |
Tanner II-III | ||
Male | 17-82 ng/dL | 59-286 nmol/L |
Female | 43-180 ng/dL | 150-628 nmol/L |
Tanner IV-V | ||
Male | 57-150 ng/dL | 199-523 nmol/L |
Female | 7-68 ng/dL | 24-237 nmol/L |