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EPIC CODE: LAB129 Thyroid Stimulating Hormone


Sunquest: TSH3G


UPH Methodist Hospital
UPH Pekin Hospital
UPH Proctor Hospital


One 6 mL Gold (SST) , Red, or Green (Lithium Heparin) top tube. (Min: 4 mL)

Storage/Transport Temperature

Centrifuged gold or 1 mL serum at 2-8o C . (Min: 0.3 mL)

Stability (from collection to initiation)

After separation from cells:

Ambient (room temperature) Stability: Methodist – 8 hours

Proctor – 24 hours

Refrigerated (2-8oC) Stability:(2-8oC) Stability: 7 days

Frozen (<-20oC) Stability: Methodist – 6 months

Proctor – 1 month


The chance of interference is remote but can potentially alter results by 10%. If patient is on Biotin supplementation, be aware of any abnormal results and have patient discontinue supplementation prior to drawing laboratory testing.

Days Performed

Sunday – Saturday


Chemiluminescent Immunoassay Vista

Reference Interval

all measurements uIU/mL
  female male
0-5 days 0.700-15.200 0.700-15.200
6-60 days 0.700-11.000 0.700-11.000
3-11 months 0.700-8.400 0.700-8.400
1-5 years 0.700-6.000 0.700-6.000
6-10 years 0.600-4.800 0.600-4.800
11-17 years 0.500-4.300 0.500-4.300
18-999 years 0.358-3.740 0.358-3.740

Interpretive Data

An abnormal TSH result should be followed with a Free T4 test, this TSH is a third generation, high sensitivity test that may be abnormal earlier than changes in Free T4, especially in pre-clinical hyperthyroidism.

CPT Codes