- 2187
T3 Total
Specimen:
Collect
- One SST
Also Acceptable:
- One Green Top (Li Heparin)
- One Green Top (Na Heparin)
- One Lavender (EDTA)
- One Pink Top (EDTA)
- One Red Top
Submit
- 1 mL (Min:0.5 mL) Serum . Submit Refrigerated. Submit in a Standard Transport Tube.
Also Acceptable:
- 1 mL (Min:0.5 mL) Plasma . Submit Refrigerated. Submit in a Standard Transport Tube.
Special Handling
- Allow specimen to clot completely at room temperature
- Avoid Repeated Freeze/Thaw Cycles
- For patients receiving therapy with high biotin doses (>5 mg/day), no laboratory test specimen should be collected until at least 8 hours after the last biotin administration.
- Minimize air exposure
Stability
Ambient: 8 Day(s); Refrigerated: 14 Day(s); Frozen: 12 Month(s); Incubated: Unacceptable
Methodology
- Electrochemiluminescence Immunoassay (ECLIA)
Performed
Mon-Fri
Reported
1-3 Day(s)
CPT Codes
- 84480
Interpretive Data
Male Reference Ranges
- 0 - 3 year(s) : 48-305 ng/dl
- 3 - 6 year(s) : 56-276 ng/dl
- 6 - 9 year(s) : 50-258 ng/dl
- 9 - 12 year(s) : 44-246 ng/dl
- 12 - 150 year(s) : 80-200 ng/dl
Female Reference Ranges
- 0 - 3 year(s) : 48-305 ng/dl
- 3 - 6 year(s) : 56-276 ng/dl
- 6 - 9 year(s) : 50-258 ng/dl
- 9 - 12 year(s) : 44-246 ng/dl
- 12 - 150 year(s) : 80-200 ng/dl
Biotin in specimens taken from patients on high-dose biotin therapy or supplements may intefere with this test and cause inaccurate test results. It is recommended that for patients receiving therapy with high biotin doses (> 5 mg/day), no laboratory test specimen should be collected until at least 8 hours after the last biotin administration.
Components
- 2187 - T3 TOTAL
Last Updated: October 13, 2024 @ 9:13 am
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Common Lab Definitions
- Serum
- Plasma
- STT
