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UW Health SMPH
American Family Children's Hospital

UW Hospital and Clinics Lab Test Directory

Test Name: StoneRisk Cystine Test


CPT Code(s): 82131, 82570

Test Description: Test Component:

Total Urine Volume, Urine Cystine, Urine Creatinine

Methodology: Ion Exchange Chromatography/Spectrometry

Testing Site: Testing will be sent to an approved reference laboratory.

Days Performed: Tuesdays and Fridays

Specimen Requirements

Specimen: 24 hour timed urine

Collection Instructions: Special 24 hour urine collection containers are required.  For pediatric patients, contact UWHC Pediatric Specialty Clinics- Nephrology at 608.263.4757.
For adult patients, contact UWHC Urology Clinic at 608.263.4757.


urine cystine

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