Hematuria: Causes / Differential Diagnosis Mnemonic

SHIT

S tones/ Systemic disease (SLE)/ Structural lesions (UPJ 
    obstruction)
Hematologic disease (sickle cell, coagulopathy)/ Hypercalciuria/         Hereditary (Alport nephritis)/ HSP/ HUS

Infectious and Immunologic (PSGN)/ IgA nephropathy 
   (Berger nephritis)/ Interstitial disease (interstitialnephritis)    
   / Idiopathic conditions (thin glomerular basement membrane    
   disease or benign familial hematuria)

Trauma/ Tumor/ TB/ Toxins