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Test Code TSH Thyroid Stimulating Hormone

Important Note

The results of this assay can be falsely lowered due to the consumption of Biotin.  Please instruct patients to discontiue the use of vitamins or supplements that contain Biotin 12hrs before blood draw.

Specimen Collection Information

Specimen  Min. Test Volume Collection Container Special Handling
Blood 0.1 mL Light Green (lith. heparin) top
Gold top
Marble Red top
 

Reference Ranges & Critical Values

Assay Gender Age Range Normal Range Critical Values Units
TSH ALL 0 Minutes – 150 Years 0.27 - 4.20 > 100 uIU/mL

Specimen Stability

7 days at 2-8°C

Day(s) Performed

Monday - Sunday

LOINC

3016-3

CPT

84443