Reference Ranges
  ng/mL ug/L
Child 6-9.9 yr:  40.2-108  40.2-108
10-13.9 yr:  35.8-166  35.8-166
14-17.9 yr:    
M:  27.8-194  27.8-194
F:  16.3-68.7  16.3-68.7
Adult M:  11.3-35.4  11.3-35.4
F:  7.2-27.9  7.2-27.9
Adult M:  1.1-7.2  1.1-7.2
F, premenopausal:  0.5-7.0  0.5-7.0