Doctor's Data Inc

Thyroid Stimulating Hormone (TSH)

CPT Code


Specimen Requirements

1 mL serum - centrifuged and aliquoted within 2 hours of collection

Collection Container/Tube

Red-top tube (no additive), Alternative: Serum gel-separator tube

Transport Container/Tube

Clear plstic serum/plasma transfer vial

Minimum Specimen Volume

0.5 mL

Rejection Criteria

Gross hemolysis

Stability Information

Room temperature: 10 days
Refrigerated: 14 days
Frozen: 30 days
37°C/99°F: 7 days


Chemiluminesescent Immunoassay

Turnaround Time

2 - 3 days

Reference Intervals

Sex Age
Both 0-5 years .7-6 uIU/mL
Both 6-199 years .3-4.5 uIU/mL