Thyroxine Binding Globulin
0070410
Ordering Recommendation
Not recommended for routine thyroid screening.
Submit With Order
Mnemonic
TBG
Methodology
Quantitative Chemiluminescent Immunoassay
Performed
Mon, Wed, Fri
Reported
1-4 days
New York DOH Approval Status
This test is New York DOH approved.
Specimen Required
Patient Preparation
 
Collect
Serum separator tube.  
Specimen Preparation
Transfer 0.5 mL serum to an ARUP Standard Transport Tube. (Min: 0.4 mL)  
Storage/Transport Temperature
Frozen.  
Unacceptable Conditions
Plasma, tissue or urine. Grossly hemolyzed or lipemic specimens.  
Remarks
 
Stability
Ambient: 24 hours; Refrigerated: 1 week; Frozen: 1 month  
Reference Interval
13.0-30.0 µg/mL
Interpretive Data
Note
CPT Code(s)
84442
Components
Component Test Code*Component Chart Name
0070410Thyroxine Binding Globulin
* Component test codes cannot be used to order tests. The information provided here is not sufficient for interface builds; for a complete test mix, please click the sidebar link to access the Interface Map.
Cross References
  • Serum TBG
  • TBG
  • TBG serum