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To view specimen requirements and codes please Select a regional laboratory.Not sure which laboratory serves your office? Call us 866-MYQUEST (866-697-8378)
**IMPORTANT: CPT Code is informational only; obtain the Test Code for ordering.
|Premature Infants (28-36 Weeks)|
|1st Week of Life||0.20-27.90 mIU/L|
|Term Infants (>37 Weeks)|
|Serum or Cord Blood||1.00-39.00 mIU/L|
|1-2 Days||3.20-34.60 mIU/L|
|3-4 Days||0.70-15.40 mIU/L|
|5 Days-4 Weeks||1.70-9.10 mIU/L|
|1-11 Months||0.80-8.20 mIU/L|
|1-19 Years||0.50-4.30 mIU/L|
|≥20 Years||0.40-4.50 mIU/L|
|First Trimester||0.26-2.66 mIU/L|
|Second Trimester||0.55-2.73 mIU/L|
|Third Trimester||0.43-2.91 mIU/L|
For differential diagnosis of primary, secondary, and tertiary hypothyroidism. Also useful in screening for hyperthyroidism. This assay allows adjustment of exogenous thyroxine dosage in hypothyroid patients and in patients on suppressive thyroxine therapy for thyroid neoplasia.
Thyrotropin,Thyroid Stimulating Hormone
Reference ranges are provided as general guidance only. To interpret test results use the reference range in the laboratory report.
The CPT codes provided are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payer being billed.
* The tests listed by specialist are a select group of tests offered. For a complete list of Quest Diagnostics tests, please refer to our Directory of Services.