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HelpTest Code THYRTSH Thyroid Profile with Thyroid-Stimulating Hormone (TSH)
Methodology
| Profile Information: | |
| FTI (Calculation) | T4 (Thyroxine), Total |
| T3 Uptake | Thyroid-Stimulating Hormone (TSH) |
Performing Laboratory
Aspen Valley HospitalPhysician Office Specimen Requirements
Container/Tube: Gold-top serum gel tube(s) or orange-top tube(s) - Plasma is not acceptable.Specimen: 2 mL (minimum volume: 1 mL) of serum
Transport Temperature: Refrigerate
Collection Instructions: Allow specimen to clot for approximately 10 minutes and spin down. If drawing gold-top serum gel tube, send entire tube to laboratory. If drawing orange-top tube, remove serum and place in separate plastic vial. If there is a delay in transport of >48 hours, send specimen frozen.
Reference Values
FTI CALCULATION1.0-4.2
See individual test listings for other reference values.
Day(s) Test Set Up
Monday through SundayTest Classification and CPT Coding
84436 - T4, total84443 - TSH
84479 - T3 uptake
Note: It is the responsibility of the ordering physician to provide appropriate medical necessity diagnosis for each individual test when ordering this test group.