ICD-9-CM diagnosis code (retired)
201.66 — Hodgkin's disease, mixed cellularity, intrapelvic lymph nodes
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 201.66
201.66 is an ICD-9-CM diagnosis code for hodgkin's disease, mixed cellularity, intrapelvic lymph nodes. 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, C81.26 (Mixed cellularity Hodgkin lymphoma, intrapelvic lymph nodes). The match is exact.
ICD-10-CM equivalents
- C81.26Mixed cellularity Hodgkin lymphoma, intrapelvic lymph nodesexact match
Common questions about 201.66
What is the ICD-10 code for ICD-9 201.66?
- The GEMs map 201.66 to ICD-10-CM C81.26.
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.