Test Code FT4 Free T4
CPT
84439
COLLECTION CONTAINER
Lt green tube: Lithium Heparin
Specimen Type
Plasma preferred, Serum ok.
SPECIMEN VOLUME
3.5 mL
MINIMUM VOLUME
1.0 mL
84439
Lt green tube: Lithium Heparin
Plasma preferred, Serum ok.
3.5 mL
1.0 mL