How soon can I expect to receive my kit? April 27, 2022 15:23 Updated Kits are shipped via USPS. You should expect to receive your kit within 2-5 business days after completing your purchase. Related articles How do I contact Labcorp OnDemand®? How do I track my kit? How do I get a physician order for testing? How do I download or print my results report? How do I register my kit?