Convert ICD-10 Code N15.9 to ICD-9

Source ICD-10 Code		Target ICD-9 Code
N15.9 Renal tubulo-interstitial disease, unspecified		583.9 Nephritis NOS
Approximate Flag - The approximate mapping means there is not an exact match between the ICD-10 and ICD-9 codes and the mapped code is not a precise representation of the original code.
N15.9 Renal tubulo-interstitial disease, unspecified		590.9 Infection of kidney NOS
Approximate Flag - The approximate mapping means there is not an exact match between the ICD-10 and ICD-9 codes and the mapped code is not a precise representation of the original code.

ICD-10 to ICD-9 crosswalk for code N15.9 - renal tubulo-interstitial disease, unspecified based on the most recent General Equivalence Mappings (GEMS) information.