TSI Thyroid Stimulating Immunoglob

Specimen Container

Gold

Specimen Collection Type

Serum

Minimum Volume To Collect (Ml)

1 mL

Specimen Preparation

Allow clot, separate < 2hrs

Stability

Ambient Stability: 24 hrs
Refrig Stability: 7 days
Frozen Stability: 1 year

Preferred Transportation Temperature

FROZEN

Performed

Sun-Sat

Reported

Within 24 hours

Methodology

Semi-Quantitative Chemiluminescent Immunoassay

Lab Department

Core

Testing Location

IHC

Synonyms

Autoimmune Thyroid Stimulator
Thyroid Stimulating Antibody
Thyroid-Stimulating Immunoglobulin Serum
TSI
TSI concentration
3002287

Misc Instructions

Allow specimen to clot completely at room temperature. Separate from cells ASAP or within 2 hours of collection. Transfer 1 mL serum or plasma to an ARUP Standard Transport Tube. (Min: 0.5 mL)

Unit of Measurement

IU/L

CPT Codes

84445

LOINC

30567-2

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