- YTSIM
Thyroid Stimulating Immunoglobulin
Specimen:
Test Code
YTSIM
Specimen Name
Thyroid Stimulating Immunoglobulin
Collect
1-SST
Also acceptable Green (Lithium-Heparin), EDTA
Also acceptable Green (Lithium-Heparin), EDTA
Submit
1 mL (Min: 0.5 mL) Serum or Plasma Frozen
Special Handling
Allow specimen to clot completely at room temperature. Separate from cells ASAP or within 2 hours of collection. Preferred transport: Transfer serum to a standard transport tube and freeze.
Rejection Criteria
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Stability
Ambient: 24 hours; Refrigerated: 1 week; Frozen: 1 year
Methodology
Semi-Quantitative Chemiluminescent Immunoassay (CLIA)
Performed
Sunday - Saturday
Reported
1-2 days
CPT Codes
- 84445
Components
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Additional Information
Acceptable secondary test for autoimmune thyroid disease.
Disclaimer:
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Test Information
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Common Lab Definitions
- Serum
- Plasma
- STT