Thyroxine Binding Globulin

Specimen:

Collect

  • One SST

Also Acceptable:
  • One Red Top

Submit

  • 0.5 mL (Min:0.4 mL) Serum . Submit Frozen. Submit in a Standard Transport Tube.

Rejection Criteria

  • Grossly Hemolyzed Samples
  • Grossly Lipemic Samples
  • Plasma
  • Tissue
  • Urine

Stability

Ambient: 1 Day(s); Refrigerated: 1 Week(s); Frozen: 1 Month(s); Incubated: Unacceptable

Methodology

  • Quantitative Chemiluminescent Immunoassay

Performed

Monday, Wednesday, Friday

Reported

2-5 Day(s)

CPT Codes

  • 84442

Components

  • 91259 - THYROX BIND GLOB
Last Updated: February 6, 2025 @ 10:13 am

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Common Lab Definitions

  • Serum 
  • Plasma 
  • STT