Serum testosterone levels

Female:  15 –   70 ng/dL
Male: 300 – 1,000 ng/dL

ng/dL = nanograms per deciliter

Note: these are what are called the “total” testosterone blood levels CPT Code 84403-Total , not the “free” levels which is another test.

Below are more detailed levels broken down by age group.

Females

0-5 months: 20-80 ng/dL
6 months-9 years: <7-20 ng/dL 10-11 years: <7-44 ng/dL 12-16 years: <7-75 ng/dL 17-18 years: 20-75 ng/dL > or =19 years: 8-60 ng/dL

Males

0-5 months: 75-400 ng/dL
6 months-9 years: <7-20 ng/dL 10-11 years: <7-130 ng/dL 12-13 years: <7-800 ng/dL 14 years: <7-1,200 ng/dL 15-16 years: 100-1,200 ng/dL 17-18 years: 300-1,200 ng/dL > or =19 years: 240-950 ng/dL