Free Triiodothyronine (T3)

Synonyms

• FREE TRIIODOTHYRONINE (T3)
• LAB137
• THYROID
• TRI-IODOTHYRONINE
• UNBOUND

Cerner Name

Free Triiodothyronine

Clinical Info

Specimen Sources

Blood, Arterial Blood, Capillary Blood, Central Line Blood, Venous

Specimen Types

Blood

Specimen Volume

1 mL of serum

Container

Gold Top Tube

Collection Instructions

Container/Tube: Gold-top tube(s)
Specimen: 1 mL of serum
Transport Temperature: Refrigerate
Stability: 5 Days Room Temperature
                7 Days Refrigerated
                30 Days Frozen

Transport Instructions

Refrigerate

Specimen Stability

5 Days Room Temperature
                7 Days Refrigerated
                30 Days Frozen

Methodology

Immunoassay (ECLIA)

Days Performed

Monday through Sunday, Continuously

Performing Laboratories

Northwell Health Laboratories

CPT

84481

PDM

5910011

Results

Result Interpretation

Forms

• Free Triiodothyronine Test Update 8-22-2022