Normal Reference Ranges
Adult
2.6 - 24.9 µU/mL
Pediatric
2.0 - 20.0 µU/mL
Clinical Significance
Measured alongside fasting glucose to calculate the HOMA-IR (Homeostatic Model Assessment for Insulin Resistance).
Causes of High
- Insulin resistance (Type 2 Diabetes, Metabolic Syndrome)
- Insulinoma
- PCOS
Causes of Low
- Type 1 Diabetes
- Pancreatic failure