T3 Uptake T3UP

Method(s) Electrochemiluminescent Immunoassay
Specimen Required
Collect

One 5 mL gold (SST) top tube. Also acceptable: lavender (EDTA), pink (K2EDTA) or green (sodium or lithium heparin) top tubes.

Transport 1 mL serum or plasma at 2-8ºC. (Min: 0.5 mL)
Stability After separation from cells: Ambient: 24 hours; Refrigerated: 8 days; Frozen: 3 months
Unacceptable Conditions Grossly hemolyzed specimens.
Schedule Daily
Billing Code 5010284
CPTCode 84479
Notes Allow to clot completely at room temperature. Separate serum or plasma form cells ASAP.
Preferred Specimen Collection Device(s)
Reference Interval

28-41% uptake

No Appointment Necessary
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12 Patient Service Centers in Central New York.

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