CNN  — 

Many Americans can now get home Covid-19 tests at no cost through their private insurance. They can obtain the tests from pharmacies, retailers and online vendors.

The program, which began Saturday, is part of the Biden administration’s effort to increase access to testing around the US.

But some people are having trouble getting the free tests. And many Medicare enrollees are discovering that they don’t qualify.

If you’ve tried to obtain home Covid-19 tests at no cost, share your story with us. You could be featured in an upcoming story.