Thyroid-Stimulating Hormone (TSH), Third Generation
Additional Information:
EPIC Test Name: THYROID STIMULATING HORMONE
CPT Code(s):
84443
Collection Procedure:
Collect blood in SST tube. Allow specimen to clot. Centrifuge and store refrigerated until transported to lab.
Specimen Requirements:
Specimen Type: Serum (preferred) or Plasma
Container/Tube: SST or Lithium Heparin (Green top)
Sample Volume: 1 mL
Minimum Volume:0.2 mL (Repeat testing is not possible with this specimen volume.)
Storage: Refrigerate
Stability (collection to time of analysis/testing):
- Refrigerated: 5 days
- Frozen: 1 month
Use:
This test is used to screen and monitor thyroid function.
Methodology:
Solid-phase, two-site chemiluminescent immunometric assay
Reported:
1-3 business days
Reference Values:
0.4 to 4 μIU/mL
Performed:
Monday - Friday