Free Thyroxine (FT4) - Rice Memorial Hospital

Additional Codes

EPIC Test Codes
LAB0213371	FREE T4

Free T4

Competitive Binding Assay

Rice Memorial Hospital

Specimen Type: Serum or plasma

Container/Tube:

Serum: Clot, plain, activator or gel separator

Plasma: Heparin, plain or gel separator or EDTA

Specimen Volume: 0.5 mL

Specimen Minimum Volume: 0.3 mL

Refrigerated (preferred) 6 days / Frozen 6 days

Note: If testing will be delayed more than 24 hours, remove serum or plasma from the clot, red blood cells, or separator gel.

0.70-2.00 ng/dL

Monday through Sunday

84439