Specimen

Serum or Plasma

Collection Medium:

Alternate
Collection Media:

Light Green top tube (Lithium Heparin)

Minimum:

Adult Minimum:    0.5 ml serum or plasma from 1.2 mL whole blood
Pediatric Minimum: 0.4 ml serum or plasma f rom 1.2 mL whole blood

Analytic Time:

24 hours (upon receipt in laboratory)

Reference Range:

  Age                    Male             Female
1 - 30 days         13 -  85 nmol/L   14 -  60 nmol/L
31-364 days         70 - 250 nmol/L   60 - 215 nmol/L
 1- 3 years         50 - 180 nmol/L   60 - 190 nmol/L
 4- 6 years         45 - 175 nmol/L   55 - 170 nmol/L
 7- 9 years         28 - 190 nmol/L   35 - 170 nmol/L
10-12 years         23 - 160 nmol/L   17 - 155 nmol/L
13-15 years         13 - 140 nmol/L   11 - 120 nmol/L
16-17 years         10 -  60 nmol/L   19 - 145 nmol/L
18 years and older  11 -  80 nmol/L   30 - 135 nmol/L

Tanner Stage I      26 - 286 nmol/L   30 - 173 nmol/L
Tanner Stage II     22 - 169 nmol/L   16 - 127 nmol/L
Tanner Stage III    13 - 104 nmol/L   12 -  98 nmol/L
Tanner Stage IV     11 -  60 nmol/L   14 - 151 nmol/L
Tanner Stage V      11 -  71 nmol/L   23 - 265 nmol/L

Comments:

Indicate age and sex on test request form.

Methodology:

Electrochemiluminescent

CPT Code:

84270

See also:
Testosterone, Free and Total, Adult Male, Serum