TSH with Reflex to Free T4
380
Chemistry
Turnaround Time
<24hrs
Methodology
Immunoassay
Days Performed
Mon - Sat
Specimen Required
Serum separator tube (SST)
Transport Temperature
Room temperature
Specimen Stability
- Room temperature: 7 days
- Refrigerated: 7 days
- Frozen: 28 days
Reflex Information
Abnormal result reflexes to Free T4 (625)
CPT Codes
84443
Need This Test?
Talk to our client services team about ordering TSH with Reflex to Free T4 for your patients, facility, or practice — including on-site and home draws.
Why Premier
- CLIA-certified clinical laboratory
- Licensed in NJ, NY & PA
- Draws at your facility or the patient's home
- Results through our online portal
- Serving the East Coast since 1999