NT scan & blood test for gender?

Noka

Just had my NT scan yesterday, they did an ultrasound and blood test (where they prick your finger and get the blood-print on a card... its not the NIPT) and I was told you can know the gender from that blood test (again, its not the NIPT) I was skeptical as I know its only the NIPT that gives you the gender, is this not true? Can you really get the gender from the NT blood test too?