Kidney Stone Analysis

CPT: 82355
Kidney

What This Test Measures

Chemical analysis of passed kidney stones; identifies stone type (calcium oxalate, uric acid, struvite, cystine).

Preparation

No fasting required
No special prep. Some medications can cause false-positive ANA — discuss current medications with your provider.

General guidelines only. Requirements vary by lab and individual. Confirm with your provider before adjusting any medications.

Turnaround Time

Varies by lab

Clinical Notes

Requires actual stone specimen; not a blood/urine test

ICD-10 Codes

Common diagnosis codes associated with this test. Codes are assigned by your provider.

E79.0Hyperuricemia without signs of inflammatory arthritis
E83.52Hypercalcemia
N20.0Calculus of kidney

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Lab Codes

Proprietary codes used by each lab for this test.

LabCorp
9101850(order_code)

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For informational purposes only

This page is for educational and research purposes only and does not constitute medical advice, diagnosis, or treatment recommendations. ICD-10 and CPT codes are assigned by your healthcare provider. Always consult a qualified healthcare provider before ordering any lab test or making decisions about your health.