Convert ICD-10 Code N13.0 to ICD-9

Source ICD-10 Code		Target ICD-9 Code
N13.0 Hydronephrosis with ureteropelvic junction obstruction		591 Hydronephrosis
Combination Flag - Multiple codes are needed to describe the source diagnosis code. Correct coding should be done based on contextual judgment.
N13.0 Hydronephrosis with ureteropelvic junction obstruction		593.3 Stricture of ureter
Combination Flag - Multiple codes are needed to describe the source diagnosis code. Correct coding should be done based on contextual judgment.

ICD-10 to ICD-9 crosswalk for code N13.0 - hydronephrosis with ureteropelvic junction obstruction based on the most recent General Equivalence Mappings (GEMS) information.