Age			Reference Interval
Sex	Low	High	Component	Low	High	Units	Note
M	0	5 M
F	0	5 M
M	6 M	9 YRS		<	1.0	Nanomole/Litre
F	6 M	12 YRS		<	1.0	Nanomole/Litre
F	>=	13 YRS		<	2.0	Nanomole/Litre
M	10	14 YRS		<	29.0	Nanomole/Litre
M	>=	15 YRS		7.6	31.4	Nanomole/Litre

	Age
Sex	Low	High	Component
M	0	5 M
F	0	5 M
M	6 M	9 YRS
F	6 M	12 YRS
F	>=	13 YRS
M	10	14 YRS
M	>=	15 YRS

Reference Interval
Low	High	Units	Note
<	1.0	Nanomole/Litre
<	1.0	Nanomole/Litre
<	2.0	Nanomole/Litre
<	29.0	Nanomole/Litre
7.6	31.4	Nanomole/Litre

1(1)

Levels decrease rapidly the first week,
then increase between 20 to 60 days.
Levels then decline to prepubertal range levels
by six months.

2(2)

Levels decline after birth to
prepubertal range levels by six months.

6(3)

Testosterone levels in puberty are highly variable.
Interpretation of this result needs to take the patient's
clinical information and stage of maturation into
consideration.