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Calculi Analysis
Test CodeLAB5210446
Quest Code
30260
CPT Codes
82365
Preferred Specimen
Dry stone(s) collected in a plastic sterile screw-cap container
Other Acceptable Specimens
Filtered material, dry stone (gall bladder, urinary bladder, salivary, prostate), submitted in a sterile plastic leak-proof screw-cap container
Instructions
1. Clean any blood or foreign material from the stone with water.
2. Stone should be air dried thoroughly at room temperature for approximately 24 hours. A dry stone should not stick to the walls of the plastic container.
3. Important: Do not tape specimen Do not send stone in formalin, surgical gel, or any transport media Avoid sending filters and cotton swabs (Q-tips)
4. Additional processing is required for stones received with residual liquid or dampness, potentially causing delays in testing.
5. In cases for multiple stones that require individual analysis, testing must be ordered for each stone and will be charged separately. Each stone should be placed in its own plastic container.
6. Indicate source of specimen on outside of container (e.g., left kidney, bladder, right ureter).
Note: Place in sterile screw-cap plastic container (glass containers may break in transportation)
2. Stone should be air dried thoroughly at room temperature for approximately 24 hours. A dry stone should not stick to the walls of the plastic container.
3. Important: Do not tape specimen Do not send stone in formalin, surgical gel, or any transport media Avoid sending filters and cotton swabs (Q-tips)
4. Additional processing is required for stones received with residual liquid or dampness, potentially causing delays in testing.
5. In cases for multiple stones that require individual analysis, testing must be ordered for each stone and will be charged separately. Each stone should be placed in its own plastic container.
6. Indicate source of specimen on outside of container (e.g., left kidney, bladder, right ureter).
Note: Place in sterile screw-cap plastic container (glass containers may break in transportation)
Transport Temperature
Room temperature
Specimen Stability
Room temperature: 1 year
Refrigerated: 1 year
Frozen: 1 year
Refrigerated: 1 year
Frozen: 1 year
Methodology
Infrared Spectroscopy (Fourier Transform Infrared Spectroscopy) • Stone Weight: Gravimetric
FDA Status
This test was developed and its analytical performance characteristics have been determined by Quest Diagnostics. It has not been cleared or approved by FDA. This assay has been validated pursuant to the CLIA regulations and is used for clinical purposes.
Setup Schedule
Set up: Daily; Report available: 5-7 days
Reference Range
See Laboratory Report
Clinical Significance
Stone analysis is used in determining the etiology of stones. The results are often useful in determining the cause and treatment.
Performing Laboratory
Quest Diagnostics Nichols Institute
33608 Ortega Highway
San Juan Capistrano, CA 92675-2042
