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HelpTest Code TSH Thyroid Stimulating Hormone Ultra (Third Generation)
Performing Laboratory
Hunterdon Medical Center Laboratory
Useful For
Serum TSH is the most reliable test to diagnose common forms of hypothyroidism and hyperthyroidism.
Uses for thyroid testing:
- Diagnose a thyroid disorder in a patient with symptoms.
- Screen newborns for underactive thyroid.
- Monitor thyroid replacement therapy.
- Diagnose and monitor female infertility problems.
- Assist in the evaluating the function of the pituitary gland along with the Free T4 (Thyroxine).
Specimen Required
Test updated March 2017
| Container/Tube | |
| Acceptable | PST (Li Hep) Gel- Mint Green Top |
| Acceptable | SST |
| Specimen Volume | 3.0mL |
| Minimum Volume | 1.0mL |
Specimen Type
Plasma/Serum
Specimen Transport Temperature
Ambient
Specimen Stability
| Specimen | Temperature | Time Frame |
| Plasma | Refrigerated 2-8°C | 7 days |
| Serum-gel tube | Refrigerated 2-8°C | 7 days |
Day(s) Test Set up
Monday through Sunday
Available STAT
Reference Values
0.270-4.200 u[IU]/mL
Methodology
ECLIA: Electrochemiluminescence Immunoassay
CPT Code
84443
Loinc Code
11580-8