Source Code Name Case count Share of cases (%)
OUTPAT OUTPAT_ICD10(N133) Other and unspecified hydronephrosis 1973
INPAT INPAT_ICD10(N133) Other and unspecified hydronephrosis 1759
OUTPAT OUTPAT_ICD10(N130) Hydronephrosis with ureteropelvic junction obstruction 475
OUTPAT OUTPAT_ICD10(N139) Obstructive and reflux uropathy, unspecified 343
INPAT INPAT_ICD10(N130) Hydronephrosis with ureteropelvic junction obstruction 323
OUTPAT OUTPAT_ICD10(N131) Hydronephrosis with ureteral stricture, not elsewhere classified 219
INPAT INPAT_ICD10(N139) Obstructive and reflux uropathy, unspecified 205
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(N133) Other and unspecified hydronephrosis. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 202
INPAT INPAT_ICD9(5937A) Vesicoureteral reflux 192
INPAT INPAT_ICD10(N131) Hydronephrosis with ureteral stricture, not elsewhere classified 191
INPAT INPAT_ICD8(59358) Other diseases of kidney and ureter, Morbi ureteris alii 183
OUTPAT OUTPAT_ICD10(N137) Vesicoureteral-reflux-associated uropathy 124
OUTPAT OUTPAT_ICD10(N132) Hydronephrosis with renal and ureteral calculous obstruction 111
INPAT INPAT_ICD10(N132) Hydronephrosis with renal and ureteral calculous obstruction 109
OUTPAT OUTPAT_ICD10(N138) Other obstructive and reflux uropathy 100
INPAT INPAT_ICD10(N138) Other obstructive and reflux uropathy 81
INPAT INPAT_ICD8(59330) Other diseases of kidney and ureter, Obstruction of ureter, not elsewhere classified 63
INPAT INPAT_ICD9(5933A) Stricture or kinking of ureter 52
INPAT INPAT_ICD10(N137) Vesicoureteral-reflux-associated uropathy 45
OUTPAT OUTPAT_ICD10(N134) Hydroureter 40
INPAT INPAT_ICD10(N135) Kinking and stricture of ureter without hydronephrosis 39
OUTPAT OUTPAT_ICD10(N135) Kinking and stricture of ureter without hydronephrosis 39
INPAT INPAT_ICD10(N136) Pyonephrosis 36
INPAT INPAT_ICD8(59350) Other diseases of kidney and ureter, Ureterocele 35
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(N139) Obstructive and reflux uropathy, unspecified. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 32
INPAT INPAT_ICD10(N134) Hydroureter 28
OUTPAT OUTPAT_ICD10(N136) Pyonephrosis 25
INPAT INPAT_ICD9(5934A) Other ureteric obstruction 23
DEATH DEATH_ICD10(N133) Other and unspecified hydronephrosis 20
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(N130) Hydronephrosis with ureteropelvic junction obstruction. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 20
INPAT INPAT_ICD8(59340) Other diseases of kidney and ureter, Hydroureter 16
OUTPAT OUTPAT_ICD10(N13) Obstructive and reflux uropathy 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(N13) Obstructive and reflux uropathy. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 10
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
INPAT INPAT_ICD10(N13) Obstructive and reflux uropathy 5
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(N137) Vesicoureteral-reflux-associated uropathy. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 5