91221 TSH Receptor Antibody

Specimen:

Collect:

One 7.5 mL SST

Submit:

1 mL (Min:0.2 mL) Serum. Submit Frozen. Submit in a Standard Transport Tube.

Stability:

Ambient: 2 Hour(s); Refrigerated: 1 Day(s); Frozen: 3 Month(s); Incubated: Unacceptable

Methodology:

Radioimmunoassay (RIA)

Performed:

Monday, Thursday, Saturday

Reported:

2-4 Day(s)

CPT Codes:

83519 - Immunoassay, RIA

Interpretive Data:


Reference range: <10% - Negative 10-15% - Indeterminate >15% - Positive Positive results consistent with autoimmune thyroid disease.