THYROID STIMULATING IMMUNOGLOBULIN

Synonyms: Human Thyroid Stimulator (HTS); Long-Acting Thyroid Stimulator (LATS); Thyroid-Stimulating Antibody (TSAb); TSI
Computer Code: (RTSI)
Specimen Collection: 5 mL blood (red or gold top tube). Separate from cells within 2 hours of collection.
Minimum Volume: 1 mL
Handling Instructions for Offsite Areas: Allow to clot, centrifuge, remove serum, refrigerate. Min 0.3 mL serum. Must be separated from cells within 2 hours of collection.
Reference Values: See reference laboratory report.
Lab Code: Send Out
Requisition: SPEC C
Test Frequency: NA
Routine TAT: 5 days
Stat TAT: N/A
CPT Code(s): 84445
LCD or NCD:
Methodology Used:
See Addendum XVII