Catatan Dokter Muda/Ureum

Rasio Ur/Kr	Klasifikasi	Diagnosis Diferensial
< 10	Azotemia renal	Gagal ginjal akut (GGA) Gagal ginjal kronis (GGK) Glomerulonefritis
10 – 20	Normal	-
	Azotemia postrenal	Kehamilan Refluks vesikoureter Ureterolithiasis Urolithiasis BPH
> 20	Azotemia prerenal	Dehidrasi Perdarahan gastrointestinal (hematemesis-melena) Gagal jantung kongestif (CHF: Congestive heart failure)