Differential diagnosis of primary hypothyroidism from secondary hypothyroidism and hyperthyroidism.
0.30 - 5.50 mU/L
* Reference ranges may change over time. Please refer to the original patient report when evaluating results.
Specimen may be kept at room temperature for no more than 8 hours.
- TSH, 3rd Generation
- TSH, Ultra Sensitive / High Sensitivity (HS-TSH)
- TSH-3rd GENERATION (ssTSH)
Collect specimen in a red top or SST tube. Centrifuge, aliquot serum into a plastic vial and refrigerate up to 48 hours or freeze for longer storage.