Thyroxine Binding Globulin

0070410
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Example Reports
Abnormal
Normal

Ordering Recommendation

Not recommended for routine thyroid screening.

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



Compliance Category

FDA

Note

Hotline History

N/A

CPT Codes

84442

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Components

Component Test Code* Component Chart Name LOINC
0070410 Thyroxine Binding Globulin 3021-3
* 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.

Aliases

  • Serum TBG
  • TBG
  • TBG serum
Thyroxine Binding Globulin