Testosterone by Immunoassay, Adult Male TSTR

Method(s) Chemiluminescent Immunoassay
Specimen Required
Collect

One 5 mL gold (SST) top tube. Heparinized plasma also acceptable.

Transport

1 mL serum at 2-8ºC (Min: 0.5 mL).

Remarks

For females and for children under 14 years, choose Testosterone by LC/MS for more sensitive testing.

Stability

Ambient: 8 hours; Refrigerated: 7 days; Frozen: 1 month

Schedule Daily, except Sundays
Billing Code 1010097
CPTCode 84403
Notes

Results of this test may be falsely elevated in patients taking over-the-counter biotin supplements.

Preferred Specimen Collection Device(s)
Reference Interval
Male:50 years:and older:86 - 788 ng/dL
 22 - 49 years165 - 753 ng/dL
 16 - 21 years118 - 949 ng/dL
 15 years144 - 841 ng/dL
 14 years23 - 742 ng/dL
No Appointment Necessary
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12 Patient Service Centers in Central New York.

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