Cortisol (Serum)

Test investigation

Cortisol (Serum)

Laboratory offering test

NNUH, QEH

Units

nmol/L

Sample type

Serum

Turnaround times (TAT) Urgent/Routine/GP or OPD

Within 4 hours/8 hours

Reference intervals

09:00 in unstressed patient, 101 – 536 nmol/L, 24:00 in sleeping patient <50 nmol/L

If ukas accredited

Y NNUH