ICD-9-CM diagnosis code (retired)
583.9 — Nephritis and nephropathy, not specified as acute or chronic, with unspecified pathological lesion in kidney
ICD-9-CM was replaced by ICD-10 on October 1, 2015. These are the ICD-10-CM equivalents from the CMS General Equivalence Mappings.
About ICD-9-CM 583.9
583.9 is an ICD-9-CM diagnosis code for nephritis and nephropathy, not specified as acute or chronic, with unspecified pathological lesion in kidney. ICD-9-CM was retired for U.S. claims on October 1, 2015, when ICD-10-CM took over.
The CMS General Equivalence Mappings translate it to one ICD-10-CM code, N05.9 (Unspecified nephritic syndrome with unspecified morphologic changes). The match is approximate, so confirm it against the record.
ICD-10-CM equivalents
- N05.9Unspecified nephritic syndrome with unspecified morphologic changesapproximate
Common questions about 583.9
What is the ICD-10 code for ICD-9 583.9?
- The GEMs map 583.9 to ICD-10-CM N05.9.
GEMs are a translation aid, not a substitute for coding from the record. The 2027 ICD-10 code set has changed since the last GEMs release in 2018. Page updated September 29, 2026.