ACCURATE TEST. FAST RESULTS.

We perform medical diagnostic tests and efficiently provide accurate results that help your physician screen for, diagnose, and manage the treatment of health problems.

LABORATORY TEST DIRECTORY

T3 Uptake

CPT Code(s): 84479
Specimen Required: Patient Preparation:
Collect:Serum separator tube. Also acceptable: Plasma separator tube, lavender (EDTA), pink (K2EDTA), or green (sodium or lithium heparin).
Specimen Preparation:Allow serum to clot completely at room temperature. Separate serum or plasma from cells ASAP or within 2 hours of collection. Transfer 1 mL serum or plasma to an RDL Standard Transport Tube. (Min: 0.5 mL)
Storage/Transport Temperature:Refrigerated.
Stability:After separation of cells: Ambient: 24 hours; Refrigerated: 8 days; Frozen: 3 months
New York DOH Approval Status: This test is New York DOH approved.
Aliases:
  • T-UptakeT3 Uptake, ST3U, SerumTHBRThyroid Binding RatioTriiodothyronine Uptake, Serum