ICD-9-CM diagnosis code (retired)
285.21 — Anemia in chronic kidney disease
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 285.21
285.21 is an ICD-9-CM diagnosis code for anemia in chronic kidney disease. 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, D63.1 (Anemia in chronic kidney disease). The match is approximate, so confirm it against the record.
ICD-10-CM equivalents
- D63.1Anemia in chronic kidney diseaseapproximate
Common questions about 285.21
What is the ICD-10 code for ICD-9 285.21?
- The GEMs map 285.21 to ICD-10-CM D63.1.
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.