Kidney infections, hcg testing along with others

Alissa • Mommy of 4👩‍👧‍👦 💙💜💙 three handsome kings and a beautiful queen 💙💜💙 6 in heaven 😥

When I get my kidney infections they always run a blood test at the hospital to see if your pregnant, at 9dpo would it be accurate? Omw there now for what I think is another infection.