Specimen: 2 mL (1 mL min.) serum from 1 SST. Ship refrigerated or frozen. Duly filled Test Send Out Consent Form (Form 35) is mandatory.

Stability (Room): N/A

Stability (Refrigerated): 21 days

Stability (Frozen): 60 days

Method: In vitro Bioassay


Price: Contact Medilab

Turnaround time (TAT): 10 – 15 days

Usage: 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 anti-thyroid 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 mothers with hyperthyroidism.

Specialty: Endocrinologist

Disease: Disorders of Thyroid gland


Courier Charges: Contact Medilab

Home Collection: Available

Department: OS

Pre-test Information: Duly filled Test Send Out Consent Form (Form 35) is mandatory.

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