| Test | Cortisol |
| Department | Clinical Biochemistry, Rotherham NHS Foundation Trust |
| Comment | Most often performed as part of a dynamic function test |
| Sample type | Blood |
| Sample tube | Serum (brown top) |
| Collection conditions | Sample blood at 9am if possible |
| Minimum volume | 0.5 ml blood (100ul of serum absolute minimum) |
| Reference ranges (adult) |
0900hr = 119 - 618 nmol/L 2400hr = 85 - 460 nmol/L |
| Reference ranges (paediatric) |
0 - 1 month = 50 - 300 nmol/L 1 month - 1 yr = 70 - 480 nmol/L 1 year - 14 years = 80 - 580 nmol/L |
| Author | Dr Robert Lord (Consultant) |
| Date | 23.06.11 |
| Interpretation | http://www.clinbiochem.info/labcortisol3.1.pdf |
