The urine features present in hematuria of glomerular origin except
Crenated red cells, traditionally considered an indication of glomerular bleeding, may be encountered in any concentrated urine specimen. Acanthocytes, which are doughnut-shaped red cells with a central hole and membrane blebs attached peripherally, are more specific for an upper-tract bleeding source Ref Harrison20th edition pg 877
Acanthocytes
Red cell casts
Dysmorphic red cells
Crenated red cells
Infection