Turnaround times
The quoted turnaround time is from sample receipt in the laboratory, to results authorisation in the Laboratory Information Management system. The times do not include transport of specimen to the laboratory or the administrative process to print and post/email reports. Service users must allow for transport and reporting time when ordering tests.
Clinical background:
May be useful in differentiating pituitary and ectopic causes of ACTH-depdendent Cushing’s syndrome.
Specimen container paediatric:
Lithium Heparin plasma
Minimum volume paediatric:
2 x 0.5 mL
Minimum volume adult:
2 x 0.5 mL
Special requirements:
Sample to be send to the laboratory immediately to be spun within 20 minutes of sampling. Please contact the laboratory to discuss any requests (x29719).
Sample stability:
Store at -20°C
Transport requirements:
Must be transported on dry ice and sent early in the week. Requests must be discussed with the referral lab before samples are despatched.
Availability:
Sample sent to an external laboratory for testing
Reference ranges:
Upper range of normal 100pmol/L (female)