Litholink 24-Hour Urine, KS
Also known as: Litholink 24 Hour Urine Panel
Use
This test is used for treatment and management of known or suspected kidney stone formers.
Special Instructions
Ordering the Litholink 24-Hour Urine test triggers the delivery of the Litholink At-Home testing kit to the patient. This test requires the use of Litholink's specific At-Home testing kit with a preservative. Patients must accurately state the 24-hour urine volume for proper processing. All samples must be returned to the lab immediately using the prepaid FedEx shipper.
Limitations
This test was developed and its performance characteristics determined by Labcorp. However, it has not been cleared or approved by the Food and Drug Administration (FDA), which may limit its acceptance in some regulatory environments. The test is also reliant on the patient following specific instructions for proper sample collection and preservation. Incorrect or incomplete sample collection may lead to rejection of the sample.
Methodology
Automated Analyzer (Clinical Chemistry)
Biomarkers
LOINC Codes
- 3167-4
- 26843-3
- 34736-9
- 6874-2
- 2701-1
- 6687-8
- 42673-4
- 27378-9
- 42678-3
- 3087-4
- 2956-1
- 2829-0
- 24447-5
- 2779-7
- 25308-8
- 2079-2
- 26889-6
- 3096-5
- 93746-6
- 2162-6
- 35654-3
- 13717-4
- 77202-0
- 11502-2
Result Turnaround Time
4-8 days
Related Documents
For more information, please review the documents below
Specimen
Urine
Volume
40 mL of 24-hour urine
Minimum Volume
40 mL of 24-hour urine
Collection Instructions
Included preservative functions as a volume marker must be added to the main collection container at the beginning of collection and then return a 40 mL aliquot of the 24-hour urine per collection. Full 24-hour collection: Void and discard first urine and continue to collect for 24-hour period from that void time.
Patient Preparation
Void and discard first urine and continue to collect for a 24-hour period from that void time.
Storage Instructions
Room temperature with preservative; do not refrigerate
Causes for Rejection
Too old (>96 hours); under or over collected (26 hours); incorrect use of the Litholink preservative or the Litholink preservative not detected
Stability Requirements
| Temperature | Period |
|---|---|
| Room Temperature | 4 days or 96 hours from end of collection |