Test Code CORTUF Free Cortisol, Urine
Additional Codes
97222
Methodology
Quantitative Liquid Chromatography-Tandem Mass Spectrometry
CPT
82530
Specimen Type
Urine, 24hr or random
Preferred Collection Container
24 hour urine container
Collection Volume
Entire 24 hour urine volume or 4mL random urine
Minimum Collection Volume
1 mL random urine
Collection Instructions
Instruct the patient to void at 8:00 AM and discard the specimen. Then collect all urine including the final specimen voided at the end of the 24-hour collection period, i.e., 8:00 AM the next morning. Screw the lid on securely. Specimens should be transported promptly to the Clinical Laboratory. Container must be labelled with patient's full name, room number, date and time collection started, and date end time collection finished. Refrigerate during collection.
Transport
Refrigerated
Rejection Criteria
Room temperature specimens. Acidified specimens or specimens with preservatives.
Specimen Storage and Stability
Ambient: Unacceptable; Refrigerated: 2 weeks; Frozen: 6 months
Turn Around Time
2-6 days
Lab Department
Referred Testing
EPIC Code
LAB382
Acceptable Collection Container
Urine cup
Testing Volume
1 mL
Patient Preparation
None
Day(s) and Time(s) Performed
Sunday through Saturday
STAT Availability
No
LOINC
Creatinine, Urine - per volume | 2161-8 |
Creatinine, Urine - per 24h | 2162-6 |
Cortisol, Urine Free - per volume | 34909-2 |
Cortisol, Urine Free - ratio to CRT | 32009-3 |
Total Volume | 19153-6 |
Hours Collected | 30211-7 |
Cortisol, Urine Free - per 24h | 2147-7 |
Cortisol, Urine Interpretation | 48767-8 |