Alberta Precision Laboratories

--- Query Results ---

Organization:

Alberta Precision Laboratories

Test Name/Synonym:

Cortisol, Urine, Random (Synonym: Corticosteroid, urine, urine free cortisol)

Test Includes:

Random urine cortisol and cortisol/creatinine ratio.

Ordering Alert:

For pediatric patients only. Random urine collections on patients greater than or equal to 18 years old will not be accepted. For all other collections refer to Cortisol, Urine, 24 Hour

LABID (Connect Care):

LAB4660

Specimen Type:

Urine

Primary Container:

STERILE CONTAINER

Alternate Containers:

NON-STERILE CONTAINER

Minimum Collection Volume:

5 mL

Specimen Collection Requirements:

No preservative

Test Resources:

General Laboratory Requisition – 21302

Stability and Storage:

7 days at refrigerated temperature
2 months at -20°C

Processing:

Calgary Zone:
Refrigerate
Edmonton Zone:
Freeze. Send additional 2 mL aliquot for urine creatinine testing.

Transportation:

Calgary Zone: Transport at refrigerated temperature.
Edmonton Zone: Transport frozen.

Method:

LC-MS/MS (Liquid Chromatography – Mass Spectrometry/Mass Spectrometry)

Testing Schedule:

Calgary Zone: Batched – 2 weeks
Edmonton Zone: Batched – 1 week

Reference Interval:

Sex	Age	Reference Interval	Comment
Sex	Age	Cortisol/Creatinine Ratio	Comment
Male	0 up to 11 years	Comment appended	Reference range for prepubertal children is less than 8 nmol per mmol.
Male	11 years up to unspecified	2 – 14 nmol cortisol/mmol creatinine
Female	0 up to 10 years	Comment appended	Reference range for prepubertal children is less than 8 nmol per mmol.
Female	10 years up to unspecified	2 – 10 nmol cortisol/mmol creatinine
Unspecified or X*	Less than 10 years	Comment appended	Reference range for prepubertal children is less than 8 nmol per mmol.
Unspecified or X*	10 years up to unspecified	2 – 14 nmol cortisol/mmol creatinine	Patient identifies as gender X, or gender is unknown. The reference interval provided encompasses male and female ranges. Results should be interpreted in the context of clinical history.

X*, non binary or prefer not to disclose

Testing Area:

Biochemistry

Performing Site:

Calgary Zone:	Diagnostic and Scientific Centre
Edmonton Zone:	University of Alberta Hospital

Additional Test Information:

Test is performed in Calgary Toxicology and Edmonton Special Chemistry.

Last Updated On:

Thursday, April 3, 2025