THYROID PANEL SERUM / PLASMA
General Information
HLAB/HOL Code: THY1
UPHSM LIS Test #: 880
Schedule: Daily
Testing Time: 1 day
Testing Lab: UP Health System-Marquette
UPHSM LIS Test #: 880
Schedule: Daily
Testing Time: 1 day
Testing Lab: UP Health System-Marquette
Specimen Info
Only 1 specimen type required, unless otherwise specified
Volume: 0.5 ml Serum
Temperature: Refrigerate
Tube Type: 1 SST Tube
Collection Info:
Centrifuge an refrigerate specimen after collection. EDTA or Heparinized Plasma are also acceptable.
Temperature: Refrigerate
Tube Type: 1 SST Tube
Collection Info:
Centrifuge an refrigerate specimen after collection. EDTA or Heparinized Plasma are also acceptable.
Methods
Test includes T4 TOTAL, T-UPTAKE (T3U), and a Calculated Free Thyroxine Index (FTI).
CPT Codes
84436, 84479
* 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.
Component Info
Name: T4 (THYROXINE) TOTAL SERUM
Method: Immunoassay
CPT Code: 84436
Ref Range: 4.3- 11.0 ug/mL
Comp Units: mcg/mL
Method: Immunoassay
CPT Code: 84436
Ref Range: 4.3- 11.0 ug/mL
Comp Units: mcg/mL
Name: T-UPTAKE SERUM
Method: ImmunoassayUsed only with T4 (Thyroxine), Serum to calculate free thyroxine index (FTI).
CPT Code: 84479
Ref Range: 23.5- 40.6
Comp Units: %
Method: ImmunoassayUsed only with T4 (Thyroxine), Serum to calculate free thyroxine index (FTI).
CPT Code: 84479
Ref Range: 23.5- 40.6
Comp Units: %
Name: CALCULATED FREE THYROXINE INDEX
Method:
CPT Code:
Ref Range: 5.0-11.0
Comp Units:
Method:
CPT Code:
Ref Range: 5.0-11.0
Comp Units:
