The measurement of late-night salivary cortisol is an effective and convenient screening test for Cushing’s syndrome
Tube
Saliva collection device (salivettes)
ID
Tests&Tubes0144
Additional information
Saliva sample should be collected late at night (midnight).
Turn around
Turnaround time stated by Wythenshawe is 240 hours.
Send to
Endocrinology Department
Block 46
St James’s University Hospital
Beckett St
Leeds LS9 7TF
Test conducted at:
Biochemisty Dept
Clinical Science Building
Wythenshawe Hospital
Southmoor Road
Manchester
M23 9LT
Contact
For further details contact Dr Stephen Gibbons, (0113 20) 64717
Advice
Full Referred Test details logged internally on the referred test database (Q Pulse code BSHC-REC-323)
Collection Conditions
Minimum volume required is 250µL
Instructions to Endocrinology Lab (at Block 46):- store samples in the refrigerator if not dispatched to the referral lab within 24hours of receipt
Sample Requirements
Ref. Range Notes
Salivary cortisol adult reference range:
- 8-9 am = 5-46 nmol/L
- Late night = < 2.6 nmol/L
Salivary cortisone adult reference range:
- 9 am = 18-47 nmol/L
- Late night = < 18 nmol/L