Table 2.
Outpatient Fasting Challenge Laboratory Values
| Test | Result | Reference range |
|---|---|---|
| Glucose | 47 mg/dL | 70-99 mg/dL |
| Insulin | 6 μIU/mL | 2-21 μIU//mL |
| Proinsulin | 20.8 pmol/L | ≤8.0 pmol/L |
| C-peptide | 2.0 ng/mL | 1.1-4.4 ng/mL |
| Insulin autoantibody | <0.4 U/mL | <0.5 U/mL |
| Acetohexamide | Not detected | Not detected |
| Chlorpropamide | Not detected | Not detected |
| Glimepiride | Not detected | Not detected |
| Glipizide | Not detected | Not detected |
| Glyburide, serum | Not detected | Not detected |
| Nateglinide | Not detected | Not detected |
| Repaglinide | Not detected | Not detected |
| Tolazamide | Not detected | Not detected |
| Tolbutamide | Not detected | Not detected |