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 #

Urea, 24 Hour, Urine

Test Code
UUN24


Alias/See Also
Epic: LAB2450


Preferred Specimen

Specimen Type: Urine
Collection Container: 24 hour collection kit
Specimen Volume: 3 mL




Minimum Volume

0.5 mL




Instructions
  1. Collect urine for 24 hours.
  2. Refrigerated specimen with 4 hours of complettion of 24-hour collection.
  3. This test does not require the use of a chemical preservative. 
  4. Patient 24 Hour Collection Instructions


Processing 24-hour urine specimens

  1. Measure the total volume of the specimen.
  2. Mix the specimen well.
  3. Order 24URN in Soft and enter prompted information.
  4. Aliquot/transfer at least 3 mL specimen into plastic clear top (no additive) vacutainer tube.
  5. IL 24-hour Urine Pre-Analytical Processing Job Aid


Transport Container
Clear top (no additive) tube

Do not send the 24 hour collection kit/jug to the lab


Specimen Stability

Room temperature: 2 days
Refrigerated: 7 days
Frozen: 1 month




Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)

Unlabeled, mislabeled, wrong tube type, QNS, exceeds specimen stability requirements.




Methodology

Urease



Setup Schedule

Daily




Report Available

Same day




Reference Range
12-20 gm/24 HR


Performing Laboratory

Inova Laboratories

2832 Juniper Street

Fairfax, VA 22031




Last Updated: April 26, 2023
Last Review: N. Wolford, April 26, 2023


The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.