Epic Test Code LAB814 Calcium: Urine, 24 hour
Performing Location(s)
BMC
Specimen Type
24 hour Urine
Preferred Container
24 Hour Urine Container with 6N HCl. (Note: Preservative may be added after collection)
Minumum Volume to Submit for Testing
Entire collection
At least 10 mL urine needs to be submitted to testing lab.
- Multiple test can be performed from this volume. For question please contact the lab at 547-3975.
Storage Requirements
Keep urine refrigerated during the collection period.
Transportation Needs
Deliver specimen to the laboratory at the end of collection. If transportation is expected to exceed 1 hour, provisions must be made to keep the urine chilled
Causes for Rejection
Mislabeled or unlabeled specimen
Greater than 10% of total volume lost
>12 hrs room temperature
>24 hours refrigerated after end of collection
Inappropriate urine preservative used
Specimen not refrigerated
Reflex Testing
A urine creatinine (CPT:82570) and output are performed and billed on all requests for 24 hour urine chemistries.
Reference Values
Population | Units | Reference Range |
All Populations | mg/24 hour | 40-350 |
Includes
Urine Calcium Output (mg/24hrs), Urine Creatinine
Days of Analysis
All
Available STAT
No
Additional Information
Methodology
Beckman AU/Dx Series
CPT Code
82340 (also see Reflex testing)
Last Updated
23-July-19