T Uptake (Thyroxine Binding Capacity) Build info

Synonyms

  • T3, UPTAKE
  • T3 UPTAKE
  • T4 UPTAKE
  • THBR
  • THYROID BINDING RATIO
  • LAB135

Short Name

T3 UPTAKE

Procedure Master Number

LAB135

Procedure ID

918

Clinical Info

Specimen Type

Blood

Container

Gold Top Tube

Collection Instructions

Container/Tube: Gold-top tube(s)
Specimen: 1 mL of serum
Transport Temperature: Refrigerate
Stability:  8 Days Room Temperature
                14 Days Refrigerated
               24 Months Frozen

Transport Instructions

Refrigerate

Specimen Stability

8 Days Room Temperature
                14 Days Refrigerated
               24 Months Frozen

Methodology

Electrochemiluminescence Immunoassay (ECLIA)
Includes calculation of free thyroxine (T4) index when T4 is also ordered.

Days Performed

Monday through Sunday, Continuously

Performing Laboratory

Northwell Health Laboratories

CPT

84479

PDM

5300420

Results
Component Name Base Name Common Name External Name
T3 UPTAKE T3U T3 UPTAKE T3 Uptake