| Test Name: |
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Testosterone, Total
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| Test Code(s): |
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TESTO / HCTESTO
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| CPT Code(s): |
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84403
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| Methodology: |
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Chemiluminescent Immunoassay
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| Days Performed: |
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Mon-Fri, dayshift.
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| Turnaround Time: |
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Stat: Not available stat.
Routine: Next working day.
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Specimen Requirements
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| Specimen: |
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Blood
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| Collection Container: |
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Preferred: Red cap with yellow ring (SST)
Also Acceptable:
Red top
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| Collection Volume: |
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Preferred: 1 mL
Pediatrics: 0.3 mL
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| Sample Analyzed: |
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Serum
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| Volume Required: |
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Preferred: 0.5 mL
Pediatrics: 0.1 mL
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| Specimen Processing: |
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Centrifuge. If a complete barrier has not formed, transfer cell-free serum to plastic vial. Refrigerate.
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| Specimen Transport: |
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Transport specimen to UWHC Core Laboratory (B4/220). Transport with coolant pack if coming from outreach location.
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| Stability: |
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Ambient: 8 hours
Refrigerated: 48 hours
Frozen: Freeze if sample will not be assayed within 48 hours.
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Interpretation
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Reference Interval:
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| Male: |
ng/dL |
| 0 days - 6 months |
75 - 400 |
| 7 months - 11 months |
3 - 30 |
| 1 - 6 year |
3 - 32 |
| 7 - 12 years |
3 - 68 |
| 13 - 17 years |
28 - 1110 |
| 18 year and up |
241 - 827 |
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| Female: |
ng/dL |
| 0 days - 6 months |
20 - 64 |
| 7 months - 11 months |
1 - 20 |
| 1 - 12 years |
10 - 20 |
| 13 years and up |
14 - 76 |
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| Test Limitations: |
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Results may be affected if patient has developed heterophilic antibodies due to exposure to animal based protein products.
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