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Biochemical investigations.
| Test | Result | Reference range |
|---|---|---|
| Random cortisol | 886 | 133 nmoL/L – 537 nmoL/L |
| Midnight cortisol | 745 | <50 nmoL/L |
| 8 AM ACTH | <0.2 | 1.6 pmoL/L – 3.9 pmoL/L |
| 1 mg dexamethasone suppression test – 8 AM cortisol | 720 | <50 nmoL/L |
ACTH, adrenocorticotropic hormone.
