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Laboratory Test Directory

Thyroid Stimulating Immunoglobulin (Updated)

Components

Name Method Department Units
Thyroid Stimulating Immunoglobulin Semi-Quantitative Bioassay
Quantitative Chemiluminescent Immunoassay
Send Out Negative or Positive

Specimen Requirements

Serum Spun

Container Type Container Size Specimen Volume
Preferred

Red tube, (no anticoagulant), No Gel

3 mL 1 mL
Alternate

Gold tube, (SST) with Gel

3.5 mL 1 mL
Stability

Refrigerated - 6 day(s)
Frozen - 3 month(s)
Room temperature - 24 hour(s)

Specimen Preparation

  • Centrifuge within 2 hours, separate supernatant and freeze

Reasons for Rejection

  • Wrong collection tube
  • Plasma unacceptable

CPT Code

  • 84445