Test Code FTINS Insulin, Free and Total
Specimen Volume
2.0 mL serum or plasma; 1.1 mL minimum
Preferred Specimen
SST (gold top serum separator tube) or Plain Red
EDTA or K2EDTA are also acceptable
Unacceptable: Heparinized specimens, sodium flouride/ poassium oxalate specimens, hemolyzed specimens.
Specimen Handling Instructions
Transfer 2.0mL serum or plasma to an ARUP Standard Transport Tube and freeze.
Stability: Ambient 8 hours; refrigerated 1 week; frozen 1 month.
Transport
Freeze specimen. Seperate specimens must be submited for multiple tests.
Department
Sendouts
Methodology
Quantitative Ultrafiltration/ Quantitative Chemilluminescent Immunoassay
Reference Range
Insulin, Free 3-19 uIU/mL
Insulin, Total 3-19 uIL/mL
Schedule
Monday, Wednesday- Saturday
Reported in 2-3 days.