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Test Code NBLD0125 Kidney Stone Analysis

Additional Codes

Mayo Code: CASA

Useful For

Managing patients with recurrent renal calculi

Performing Laboratory

Mayo Medical Laboratories in Rochester

Specimen Type

Stone


Shipping Instructions


1. Transport specimen per Kidney Stone Packaging Instructions in Special Instructions.

2. Specimen must be sent clean and dry.



Necessary Information


Specimen source is required.



Specimen Required


Supplies: Stone Analysis Collection Kit (T550)

Sources: Bladder, kidney, prostatic, renal, or urinary

Specimen Volume: Entire dried calculi specimen

Collection Instructions: 

1. Prepare specimen per Patient Collection Instructions for Kidney Stones in Special Instructions.

2. Do not place stone directly in a bag. If specimen is received in a bag, either transfer stone into a screw-capped, plastic container or place bag containing stone in a screw-capped, plastic container.


Specimen Minimum Volume

Entire stone

Specimen Stability Information

Specimen Type Temperature Time
Stone Ambient (preferred)
  Frozen  365 days
  Refrigerated  365 days

Reference Values

The presence of a kidney stone is abnormal. A quantitative report will be provided after analysis.

Day(s) and Time(s) Performed

Monday through Friday; 8 a.m.-8 p.m.

Saturday; 8 a.m.-3 p.m. Continuously

Test Classification

This test was developed and its performance characteristics determined by Mayo Clinic in a manner consistent with CLIA requirements. This test has not been cleared or approved by the U.S. Food and Drug Administration.

CPT Code Information

82365

Reject Due To

Hemolysis

NA

Lipemia

NA

Icterus

NA

Other

Embedded in tissue, sent with collection devices, sent in fluid-filled containers, or sent with significant nonstone debris

 

Method Name

Infrared Spectrum Analysis

Forms

If not ordering electronically, complete, print, and send a General Request Form (T239) with the specimen (http://www.mayomedicallaboratories.com/it-mmfiles/general-request-form.pdf).