Test Code LAB129 TSH (Thyroid Stimulating Hormone)
Performing Lab
Arnot Ogden Medical Center/ Ira Davenport Memorial Hospital
Ordering Recommendations
Screening for thyroid dysfunction and detecting mild (subclinical), as well as overt, primary hypo- or hyperthyroidism in ambulatory patients.
Monitoring patients on thyroid replacement therapy.
Confirmation of thyroid-stimulating hormone (TSH) suppression in thyroid cancer patients on thyroxine suppression therapy.
Prediction of thyrotropin-releasing hormone-stimulated TSH response.
Collect
Serum or Plasma
Collection Device
Green Lithium Heparin or Gold Top Tube, Red Top Tube
Specimen Handling
Samples without a gel barrier: Centrifuge and pour off to a storage tube within 2 hours of collection.
Stability (from collection to initiation)
Room Temp | 18 Hours |
Refrigerated | 7 Days |
Frozen | 90 Days |
Storage/Transport Temperature
Room Temp, Refrigerated
Specimen Volume
5 mL
Minimum Requirements
0.5 mL
Remarks
TURN AROUND TIME
STAT |
1 Hour |
Routine | 8 Hours |
Methodology
Immunoenzymatic
Start Date
9/13/2017
Last Review Date
7/3/25 AP