Biochemistry results on fasting with non-islet cell tumour hypoglycaemia
| Serum (fasting) | Value | Normal range |
| Glucose | 1.8 mmol/l | 3.9–7.8 |
| Insulin | <1.4 pmol/l | 17.8–173 |
| C-peptide | 23.2 pmol/l | 370–1470 |
| β-hydroxybutyrate | 200 μmol/l | 20–270 |
| IGF-I | 3.5 nmol/l | 13–50 |
| Cortisol 4 am | 321 nmol/l | |
| Growth hormone | <1 mU/l |