ICD-9-CM diagnosis code (retired)
204.02 — Acute lymphoid leukemia, in relapse
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 204.02
204.02 is an ICD-9-CM diagnosis code for acute lymphoid leukemia, in relapse. 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, C91.02 (Acute lymphoblastic leukemia, in relapse). The match is exact.
ICD-10-CM equivalents
- C91.02Acute lymphoblastic leukemia, in relapseexact match
Common questions about 204.02
What is the ICD-10 code for ICD-9 204.02?
- The GEMs map 204.02 to ICD-10-CM C91.02.
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.