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TSI (Thyroid Stimulating Immunoglobulin)
1 mL serum
Plastic screw-cap vial
Refrigerated (cold packs)
Room temperature: Unacceptable
Refrigerated: 21 days
Frozen: 60 days
Gross hemolysis • Gross lipemia • Received room temperature • Grossly icteric
|Quest Diagnostics Nichols Institute|
|14225 Newbrook Drive|
|Chantilly, VA 20153|
Mon-Sat a.m.; Report available: 3 days
Graves' disease is a classic form of hyperthyroid
disease, affecting approximately 0.4% of the population
in the United States. It is caused by IgG
immunoglobulins, collectively known as thyroid
stimulating immunoglobulins (TSI). Patients who are
candidates for antithyroid drug therapy may not respond
to this treatment when TSI levels are markedly elevated.
The determination of TSI can also assist in predicting
hyperthyroidism in neonates, due to placental
transmission of the immunoglobulins from a mother with
The Result and LOINC information listed below should not be used for electronic interface maintenance with Quest Diagnostics. Please contact the Quest Diagnostics Connectivity Help Desk for more information at 800-697-9302.NOTE: The codes listed in the table below are not orderable Test Codes.
|Result Name||LOINC Code||Component Name|
|88292B||TSI Numeric Value||30567-2||Thyroid stimulating immunoglobulins|
Reference ranges are provided as general guidance only. To interpret test results use the reference range in the laboratory report.
The CPT codes provided are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payer being billed.
LOINC assignment is based on a combination of test attributes, including the method used by the performing laboratory. For tests not performed by Quest Diagnostics, codes are assigned by the performing laboratory.
* The tests listed by specialist are a select group of tests offered. For a complete list of Quest Diagnostics tests, please refer to our Directory of Services.