Inpatient and Outpatient Orderable

Thyroxine Binding Globulin Build info

Synonyms

  • THYROXINE BINDING GLOBULIN
  • TBG
  • THYROID BINDING GLOBULIN
  • THYROXINE-BINDING GLOBULIN (TBG), SERUM
  • LAB128

Procedure Name

THYROXINE BINDING GLOBULIN

Procedure Master Number

LAB128

Procedure ID

904

Clinical Info

Distinguish between high T4 levels due to hyperthyroidism and due to increased binding by TBG in euthyroid individuals who have normal levels of free hormones; document cases of hereditary deficiency or increase of TBG; work-up of thyroid disease.

Specimen Sources

 Blood, Arterial Blood, Capillary Blood, Central Line Blood, Venous

Specimen Types

 Blood

Container

Gold Top Tube

Collection Instructions

Container/Tube: Gold top(s) tube(s)
Specimen Volume: 0.5 mL (minimum volume: 0.35 mL) of serum
Transport Temperature: Refrigerated

Specimen Volume

Transport Instructions

Refrigerated

Specimen Stability

Methodology

Immunochemiluminometic Assay (ICMA)

Days Performed

Monday through Saturday

Performing Laboratory

LabCorp of America

CPT

84442

PDM

 5901245

Only Orderable at Locations:

 Orderable Everywhere

Results
Component Name Base Name Common Name External Name
THYROID BINDING GLOBULIN THYRBNDGLB THYROID BINDING GLOBULIN TTR Gene Interpretation

Result Interpretation

    AGE Male
µ g/mL
 Female
µ g/mL
1-11 months≥ 16 -33 18 - 32
1-3 years 16-32 19-34
4-6 years 17-30 18-31
7-12 years 17-29 15-29
13-18 years 13-26 14-29
>18 years 13-39 13-39

Forms
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