ICD-9-CM diagnosis code (retired)
202.50 — Letterer-siwe disease, unspecified site, extranodal and solid organ sites
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 202.50
202.50 is an ICD-9-CM diagnosis code for Letterer-siwe disease, unspecified site, extranodal and solid organ sites. 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, C96.0 (Multifocal and multisystemic (disseminated) Langerhans-cell histiocytosis). The match is approximate, so confirm it against the record.
ICD-10-CM equivalents
- C96.0Multifocal and multisystemic (disseminated) Langerhans-cell histiocytosisapproximate
Common questions about 202.50
What is the ICD-10 code for ICD-9 202.50?
- The GEMs map 202.50 to ICD-10-CM C96.0.
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.