s between 20 ng/mL and 30 ng/mL suggest insufficiency. Optimal levels are a or = 30 ng/mL. MAGNESIUM,RBC 4.7 4.0-6.4 mg/dL ESTRADIOL, LC/MS/MS ESTRADIOL,LC/MS/MS c2 < OR = 29 pg/mL TESTOSTERON,FR/TOT,LCMSMS TESTOSTERONE,TOTAL 1/-(1-1. 250-1100 ng/dL TESTOSTERONE,%,FREE 3.28 H 1.50-2.20 % TES