Test Name
Free Insulin
LIS CodeFINSUL
Lab Section
Specimen Processing Area
Fluid TypeSerum
Specimen Tube Type Transport
0.5 mL serum or plasma in a screw-capped plastic tube; Refrigerated
Container Whole Blood Required7 mL red top tube or 3 mL lavender top tube
Summary Test NameFree Insulin
Minimum Volume0.3 ml Serum
Additional Test InformationPreferred Specimen: 0.5 mL Serum, Refrigerated