T3 UPTAKE

Synonyms: T3 Resin Uptake; Thyroid Hormone Binding Ratio (THBR)
Computer Code: (RRT3)
Specimen Collection: 4 mL blood (red or gold top tube).
Minimum Volume: ped 1 mL, adult 2 mL
Handling Instructions for Offsite Areas: Allow to clot, centrifuge, remove serum, refrigerate. Ped min 0.3 mL serum. Adult min 0.5 mL serum.
Reference Values: See reference laboratory report.
Lab Code: CC REF
Requisition: SPEC C
Test Frequency: NA
Routine TAT: 5 days
Stat TAT: N/A
CPT Code(s): 84479
LCD or NCD:
Methodology Used:
See Addendum XVII