Testosterone by Immunoassay, Adult Male TSTR
| Method(s) | Chemiluminescent Immunoassay | |||||||||||||||
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| Specimen Required | ||||||||||||||||
| Collect | One 5 mL gold (SST) top tube. Heparinized plasma also acceptable. |
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| Transport | 1 mL serum at 2-8ºC (Min: 0.5 mL). |
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| Remarks | For females and for children under 14 years, choose Testosterone by LC/MS for more sensitive testing. |
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| Stability | Ambient: 8 hours; Refrigerated: 7 days; Frozen: 1 month |
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| 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. |
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| Preferred Specimen Collection Device(s) | ||||||||||||||||
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