I am 26 and filed my tax return months ago. How do I know if I was claimed on my mom's return? I was a full time grad student and had 9,336 in income for 2019 per W-2.

I originally had that I can be claimed on someone else's return, but my return was accepted and not rejected. I wanted to know what are the rules for my situation. If you are a Turbo Tax expert please help!