Screening tests for growth hormone (GH) deficiency
| Paediatricians | Laboratories | |
|---|---|---|
| IGF-1, insulin-like growth factor 1; IGFBP3, insulin-like growth factor binding protein 3. | ||
| Random serum GH | 1 | 7 |
| Urine GH | 2 | 2 |
| Serum IGF-1 | 6 | 6 |
| Serum IGFBP3 | 4 | 3 |
| None | 4 (3 proceeded direct to provocation tests) | 1 |
| Serum GH after Bovril | 0 | 1 |
| Serum GH after exercise | 1 | 2 |