Thyroid Stimulating Hormone
|
Assay |
Thyroid Stimulating Hormone |
|
Key Words |
TSH, TFT |
|
Specimen Collection |
Serum (brown), Plasma (orange) |
|
Turnaround time |
8hrs |
|
Test Indications |
TSH is the frontline marker for assessing hypothalamic-pituitary-thyroid axis function. Elevated TSH is usually indicative of hypothyroidism, and low TSH concentrations are usually indicatiove of hyperthyroidism. |
|
Limitations/Interferences |
No known common methodological interferences. |
|
Reference Range |
(Non-Pregnant): • 6 days - 3 months: 0.72-11.0 mIU/L • 3 months - 1 year: 0.73 - 8.35 mIU/L • 1 year - 5 years: 0.70 - 5.97 mIU/L • 6 years - 10 years: 0.60 - 4.84 mIU/L • 11 years - 17 years: 0.51 - 4.30 mIU/L • ≥19 years: 0.30-4.20 mIU/L
|
|
Analytical Error [1] |
4.6% |
|
58.5% |
|
|
Minimum retesting interval |
Requests made within 30 days of a previous result on a patient are intervened |
