A B C D E F G H I J K L M N O P Q R S T U V W X Y Z #

T4, Free and Total

Test Code
18612


CPT Codes
84436, 84439

Preferred Specimen
2 mL serum


Minimum Volume
1 mL


Transport Temperature
Refrigerated (cold packs)


Specimen Stability
Room temperature: 7 days
Refrigerated: 7 days
Frozen: 28 days


Methodology
Enzyme Immunoassay (EIA)

Setup Schedule
Set up: Daily; Report available: 1-4 days


Reference Range
See Laboratory Report




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.