Are there cases of glomerulonephritis where you do not perform a kidney biopsy in a patient deemed safe to undergo the procedure?  

In adults, there are some circumstances where a biopsy may be deferred/ 1. Patients with nephrotic syndrome, normal kidney function and an elevated PLAR2 Antibody level (in the absence of other systemic diseases e.g. SLE, diabetes). A presumptive diagnosis of PLA2R ab-associated membranous nephropa...