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Insulin
Test Code3192
CPT Codes
83525
Preferred Specimen
1 mL serum
Patient Preparation
Fasting specimen required.
Minimum Volume
0.5 mL
Instructions
Unable to add INSULIN testing unless sample was submitted frozen.
Transport Temperature
Refrigerated (cold packs)
Specimen Stability
Room temperature: 8 hours
Refrigerated: 7 days
Frozen: 28 days
Refrigerated: 7 days
Frozen: 28 days
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Hemolysis • Plasma • Grossly icteric
Methodology
Immunoassay (IA)
Setup Schedule
Set up: Tue-Sat; Report available: 1-4 days
Clinical Significance
For diagnosis and monitoring of diabetes and insulin-secreting tumors.
