| A B C D E F G H I J K L M N O P Q R S T U V W X Y Z # |
Cardio IQ® Insulin
Test Code91731
CPT Codes
83525
Preferred Specimen
1 mL serum
Patient Preparation
Fasting specimen required
Minimum Volume
0.5 mL
Instructions
Collect blood by venipuncture into plain tubes (without anticoagulant); separate the serum from cells.
Unable to add INSULIN testing unless sample was submitted frozen.
Unable to add INSULIN testing unless sample was submitted frozen.
Transport Container
Transport tube
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
Mon-Fri
Reference Range
≤18.4 uIU/mL
Adult cardiovascular event risk category cut points (optimal, moderate, high) are based on Insulin Reference interval studies performed at Quest Diagnostics in 2022.
| Risk | uIU/mL |
| Optimal | ≤18.4 |
| Moderate | N/A |
| High | >18.4 |
Adult cardiovascular event risk category cut points (optimal, moderate, high) are based on Insulin Reference interval studies performed at Quest Diagnostics in 2022.
Clinical Significance
Insulin is useful in diagnosing hyperinsulinemia in hypoglycemic patients. Hyperinsulinemia may be due to an insulin-producing tumor (insulinoma), syndrome of insulin resistance, or persistent hyperinsulinemic hypoglycemia of infancy.
Performing Laboratory
| Cleveland HeartLab, Inc |
| 6701 Carnegie Avenue, Suite 500 |
| Cleveland, OH 44103-4623 |
Last Updated: November 6, 2024
