The preliminary results provided at the end of your exam are preliminary and are not a final indication of your official exam result. … Also, once your exam results are made official, if you passed the PTCE, your certification status will be verifiable through PTCB’s Certification Verification page.
How long does it take to get CISA results?
Official CISA exam results will be mailed to you approximately 5 weeks after the exam. If you opt-in for email notification during registration, an email indicating a pass/fail will be sent to you. The scores will also be available in your profile at the My ISACA > My Certifications page of the ISACA website.