T4+T3 Upt (LABCORP)

Test Code

1231100769

Alias/See Also

LAB840: Free Thyroxine Index (T3 Uptake and T4) | LABCORP EAP: 247648

CPT Codes
84479x1, 84436x1

Preferred Specimen

LABCORP LAB: Serum Separator Tube (Room Temperature) Min Vol: N/A

Transport Temperature

Specimen Type: Container: Gel-barrier tube Storage: FREEZE Special Instructions: Testing referred to Viracor Eurofins. VIRCO#1710 NOTE: Client bill only Specimen Collection: Original tube requested. NOTE: If freezing sample, do not transfer to standard transfer tube. Specimen must be frozen in plastic SST PS#39999. Method: The assay is based upon a modification of the Limulus Amebocyte Lysate (LAL) pathway. Stability Room Temp: 30 days Refrigerated: 30 days Frozen: 30 days

Report Available

LABCORP LAB
STAT: 5760 min
Routine: 5760 min
Extended TAT: No TAT min
Timed: 5760 min
Life or Death: 5760 min

Last Updated: March 6, 2023

The CPT Codes provided in this document 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 payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.