Labcorp Specialty Labs LITHOLINK Search LITHOLINK We are your source for kidney stone prevention At-Home 24-hour Urine Testing Litholink’s At-Home Collection kit produces laboratory results that require a Litholink Test Request Form (lab order) from your medical provider. If you have a Litholink Test Request Form (lab order) you can request your At-Home kit through Labcorp’s patient portal. Requesting a kit without a Test Request Form or lab order may result in your samples being rejected and/or you being held accountable for the full testing cost. Request the At-Home Kit Kit & Collection Info For Patients Litholink has a unique 24-hour urine process. Learn more about how to complete your 24-hour urine process. At-Home Kit Collection Instructions FAQs For Providers Dedicated to providing the highest level of customer support for our 24-hour urine testing services. Our national infrastructure allows for a seamless, integrated service that makes it easier for clients to manage their laboratory needs. Provider Registration Sample Test Requisition Legal Menu Privacy Statement and Terms of Use Notice of Nondiscrimination Combatting Modern Slavery and Human Trafficking Statement © 2021 Laboratory Corporation of America® Holdings. All Rights Reserved.