How to talk about potential PTSD with T*trigger warning*

7 years ago I witnessed my mothers passing. It wasn't violent but it was unexpected and I still continue to deal with it.
I don't have flashbacks necessarily, at least not that I can tell, I do have it on my mind, especially recently as this is the anniversary of her death. I relive the moments before, during, and after her passing.
I have never been diagnosed with PTSD, but I wonder if I do have it and would like to bring it up with my T. I just don't know how. It's a difficult topic to talk about in the first place, and I feel stupid for trying to bring it up. I could just be blowing that whole experience out of proportion. And possibly wouldn't feel validated in my grief if I didn't have it. Stupid right?

No, not stupid at all. To me that would be very traumatic. I don't have any words of wisdom to offer but I'm so sorry you're going through this difficult time. Sending caring supportive hugs to you.

My mom died 15 years ago and I had flashbacks on the anniversary of her death. I was six.... I found her dead... I told my T a little bit of what happened and she acted like it was a normal process (didn't say anything about the flashbacks, but wished I did).
Tell your T everything when the chance is there because you may not have a moment where you can again.

You could have traumatic grief instead. I say bring it up to your therapist and tell her your thoughts.