15 dpo, 4 wks 1 day pregnant and hcg level 774?! Is that strangely high for 15 dpo?!

Marcia • Mama to Michael Wayne 6/13/16💙 & Chase Benjamin 7/19/18 💙💓
15 dpo, 4 wks 1 day pregnant and hcg level 774?! Is that strangely high for 15 dpo?! Getting another test in two days