| A B C D E F G H I J K L M N O P Q R S T U V W X Y Z # |
URINE CALCIUM, 24 HOUR
MessageAdd 6N HCL at the start of collection. Collect a 24 hour urine specimen. NOTE: If the urine collection exceeds 25 hours or is below 23 hours, collection cannot proceed. The patient must recollect their urine sample. Step 1: Empty the bladder at the start of collection, this urine is discarded. Step 2: Collect all urine after the initial void int he collection container . Step 3: Measure and record the 24-hour volumeStep 4: Record the exact start and completion times of the 24-hour collection on the container label.
Test Code
LAB814 UCA24
Alias/See Also
UCA24
CPT Codes
82340| 81050
Instructions
Processing Instructions (Lab use only): Aliquot into sterile tube. Minimum Testing Volume: 0.5 mLUrine must be collected over 24 hour span following the collection requirements. Transport Temperature: Refrigerated Stability: Ambient: 2 daysRefrigerated : 4 daysFrozen: 3 weeks Causes for Rejection: Unlabeled, mislabeled, wrong tube type, large amount of free hemoglobin, and/or bilirubin, QNS, exceeds specimen/stability requirements.
Clinical Significance
1230130242
Last Updated: May 18, 2026