Source Code Name Case count Share of cases (%)
OUTPAT OUTPAT_ICD10(N133) Other and unspecified hydronephrosis 2207
INPAT INPAT_ICD10(N133) Other and unspecified hydronephrosis 1868
OUTPAT OUTPAT_ICD10(N130) Hydronephrosis with ureteropelvic junction obstruction 520
OUTPAT OUTPAT_ICD10(N139) Obstructive and reflux uropathy, unspecified 393
INPAT INPAT_ICD10(N130) Hydronephrosis with ureteropelvic junction obstruction 344
OUTPAT OUTPAT_ICD10(N131) Hydronephrosis with ureteral stricture, not elsewhere classified 248
INPAT INPAT_ICD10(N139) Obstructive and reflux uropathy, unspecified 228
INPAT INPAT_ICD9(5937A) Vesicoureteral reflux 217
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(N133) Other and unspecified hydronephrosis. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 217
INPAT INPAT_ICD8(59358) Other diseases of kidney and ureter, Morbi ureteris alii 210
INPAT INPAT_ICD10(N131) Hydronephrosis with ureteral stricture, not elsewhere classified 203
OUTPAT OUTPAT_ICD10(N137) Vesicoureteral-reflux-associated uropathy 139
OUTPAT OUTPAT_ICD10(N132) Hydronephrosis with renal and ureteral calculous obstruction 127
INPAT INPAT_ICD10(N132) Hydronephrosis with renal and ureteral calculous obstruction 119
OUTPAT OUTPAT_ICD10(N138) Other obstructive and reflux uropathy 109
INPAT INPAT_ICD10(N138) Other obstructive and reflux uropathy 82
INPAT INPAT_ICD8(59330) Other diseases of kidney and ureter, Obstruction of ureter, not elsewhere classified 68
INPAT INPAT_ICD9(5933A) Stricture or kinking of ureter 55
OUTPAT OUTPAT_ICD10(N134) Hydroureter 48
INPAT INPAT_ICD10(N137) Vesicoureteral-reflux-associated uropathy 47
INPAT INPAT_ICD10(N136) Pyonephrosis 45
OUTPAT OUTPAT_ICD10(N135) Kinking and stricture of ureter without hydronephrosis 45
INPAT INPAT_ICD10(N135) Kinking and stricture of ureter without hydronephrosis 39
INPAT INPAT_ICD8(59350) Other diseases of kidney and ureter, Ureterocele 38
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(N139) Obstructive and reflux uropathy, unspecified. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 36
OUTPAT OUTPAT_ICD10(N136) Pyonephrosis 29
DEATH DEATH_ICD10(N133) Other and unspecified hydronephrosis 27
INPAT INPAT_ICD10(N134) Hydroureter 27
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(N130) Hydronephrosis with ureteropelvic junction obstruction. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 25
INPAT INPAT_ICD9(5934A) Other ureteric obstruction 24
INPAT INPAT_ICD8(59340) Other diseases of kidney and ureter, Hydroureter 18
OUTPAT OUTPAT_ICD10(N13) Obstructive and reflux uropathy 12
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(N13) Obstructive and reflux uropathy. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 12
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(N138) Other obstructive and reflux uropathy. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 11
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(N132) Hydronephrosis with renal and ureteral calculous obstruction. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 10
INPAT INPAT_ICD9(5935A) Hydroureter 9
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(N131) Hydronephrosis with ureteral stricture, not elsewhere classified. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 8
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(N136) Pyonephrosis. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 6
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(N137) Vesicoureteral-reflux-associated uropathy. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 6
INPAT INPAT_ICD10(N13) Obstructive and reflux uropathy 5