Request for medical reports

Who can use HealthHub to request medical reports?
Which healthcare institutions can I request medical reports/ certificates from through HealthHub?
How do I submit a request for medical reports/ certificates on HealthHub? What types of medical reports/ certificates can I request for?
How much does it cost to request medical reports through HealthHub?
What types of medical reports can I request through HealthHub?
When will my medical report be ready?
How will I receive my completed medical report?
When should I contact the institution directly for queries on my medical report requests?
Why do I need to pay for a medical report?