Clinical discussions on autoimmune diseases, biologic therapies, vasculitis, and musculoskeletal conditions.
There are no guidelines to answer this question. This is my approach. In proteinuric patients, with intact kidney function, threshold proteinuria (UPCR) of 0.5 g/g, or UACR <300 mg/g would be an indication to biopsy. In diseases such as IgA Nephropathy, treatment is driven by the degree of proteinur...
