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To view specimen requirements and codes please select your laboratory:
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Specimen collection after fluorescein dye angiography should be delayed for at least 3 days. For patients on hemodialysis, specimen collection should be delayed for 2 weeks.
According to the assay manufacturer Siemens: "Samples containing fluorescein can produce falsely depressed values when tested with the Advia Centaur TSH3 Ultra assay."
1 mL serum
Serum Separator Tube (SST®)
Room temperature: 7 days
Refrigerated: 7 days
Frozen: 28 days
|4225 E Fowler Avenue|
|Tampa, FL 33617-2026|
Set up: Mon-Sat (Night shift); Report available: 2 days
|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
The Result and LOINC information listed below should not be used for electronic interface maintenance with Quest Diagnostics. Please contact the Quest Diagnostics Connectivity Help Desk for more information at 800-697-9302.NOTE: The codes listed in the table below are not orderable Test Codes.
|Result Name||LOINC Code||Component Name|
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.
LOINC assignment is based on a combination of test attributes, including the method used by the performing laboratory. For tests not performed by Quest Diagnostics, codes are assigned by the performing laboratory.
* 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.