Name: Insulin, Fasting
Test Name: Insulin, Fasting
Health Link Test Code: XINSF
LIS Test Code: FINSL
CPT Code(s): 83525
Methodology: Chemiluminescent Immunoassay
Days Performed: Daily, 24 hours.
In-Lab Turnaround Time: 4 hours.
Stat In-Lab Turnaround Time: Not available stat.
Patient should have nothing to eat or drink (except water) for a minimum of 8 hours before test.
Collection Container: Red cap with yellow ring (SST)
Also Acceptable: Red top
Collection Volume: 3 mL
Pediatric Collection Volume: 1 mL
If delay in testing, remove from cells, clot or gel.
Sample Analyzed: Serum
Testing Volume: 1 mL
Pediatric Testing Volume: 0.3 mL
Centrifuge. If a complete barrier has not formed, transfer cell-free serum to plastic vial. Refrigerate.
Transport specimen to the laboratory. Transport with coolant pack if coming from clinic location.
0 days and up: 3-25 uIU/mL
Interpretation Type: Reference Interval