Deck Shoes:
it is called IgaN - Immuno Globulin A Nephropathy.
I also know the fun event that is a kidney biopsy!
IgaN however is a bit more than your kidneys letting a bit of blood leak into the urine.The blood shouldn't be there, it is in your urine because there is some degree of damage to your kidneys already, and with IgaN, the damage is ongoing, it is just how quickly the damage occurs that varies from person to person.
Only advice I can give is to find yourself a good nephrologist and have as a minimum 6 monthly blood and urine tests and a sit down review with the specialist.You can go from being stable and having mildly impaired kidney function to needing dialysis in a very short space of time!
Have a look at this website, it has a pile of great info:
The Foundation for IgA Nephropathy