Minnesota Urolith Center

The global standard for urolith analysis and treatment advice.

Analysis and Treatment Options

Login & Use a Calculator

Our two calculators can give you a preliminary assessment of the probable mineral type of the stone.

Login & Use a Calculator
Login & Submit a sample

For definitive analysis, submit a physical sample.

Login & Submit a sample

About Minnesota Urolith Center

Established in 1981, the Minnesota Urolith Center has analyzed uroliths from over 1.3 million patients


Veterinary Clinics

At last count, the Urolith Center has served over 50,000 clinics in 103 countries around the world.


Established in 1981, The Minnesota Urolith Center has analyzed uroliths from over 1.7 million patients.

day turnaround time

For the past year, our average lab turnaround time has been 9 days.

Check out our Mobile App

The Minnesota Urolith Center app allows you to use both the demographic and radiographic calculators, plus check on the status of physical samples submitted to the Urolith Center.

Download for iPhone Download for Android

Hill's Partner

We are supported by voluntary contributions from pet owners, veterinary clinics and an educational gift from Hill's Pet Nutrition.

Feel free to reach out to us for questions or support.


Minnesota Urolith Center
College of Veterinary Medicine
1352 Boyd Avenue
St Paul, MN 55108
Director: Jody P Lulich, DVM, PhD
Founder: Carl A Osborne, DVM, PhD
©Copyright 2024 Minnesota Urolith Center