Laboratory Test Detail - Interpath Labs

Laboratory Test Detail

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Last Updated: April 25, 2024 @ 9:13 am
1899	Free T4 w/ TSH
Specimen:	Collect:	One SST Also Acceptable: One Green Top (Li 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 Separate from cells ASAP 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.
	Stability:	Ambient: 2 Hour(s); Refrigerated: 7 Day(s); Frozen: 1 Month(s); Incubated: Unacceptable
Methodology:	Electrochemiluminescence Immunoassay (ECLIA)
Performed:	Mon-Fri
Reported:	1-3 Day(s)
CPT Codes:	84439 84443
Interpretive Data:	Please see report for interpretive data. Biotin in specimens taken from patients on high-dose biotin therapy or supplements may intefere with at least one test in this panel 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 taken until at least 8 hours after the last biotin administration.
Components:	2146 - FREE T4 2090 - TSH, 3rd GEN.

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