I have an unused COVID-19 test. Can I still register it? March 20, 2023 11:16 Updated Yes, you will be able to register a COVID-19 test that was purchased through your OnDemand account. Related articles When can I visit a Labcorp location for sample collection? Is there a deadline to register and return COVID-19 test (At-Home Collection Kit) or COVID-19 + Flu + RSV Home Collection Kits? Do you offer STAT testing? How do I download or print my results report? I would like to submit feedback on my customer experience. Where can I do so?