TRAb (TSH Receptor Binding Antibody)(TSHRAB)

Test Code

Quest Code

CPT Codes

Preferred Specimen
1 mL serum

Minimum Volume
0.5 mL

Allow serum to clot at room temperature and the serum should be separated from cells within 1 hour.

Transport Container
Transport tube

Transport Temperature
Room temperature

Specimen Stability
Room temperature: 7 days
Refrigerated: 14 days
Frozen: 21 days

Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Gross hemolysis

Enzyme Linked Immunosorbent Assay (ELISA)

Setup Schedule
Tues, thur, sat

Reference Range
≤2.00 IU/L

Clinical Significance
Measurement of TRAb is used to diagnose and manage Graves' disease, neonatal hypothyroidism, and postpartum thyroid dysfunction.

Performing Laboratory
Quest Diagnostics Nichols Institute-Chantilly VA
14225 Newbrook Drive
Chantilly, VA 20151-2228

The CPT Codes provided in this document 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 payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.