ICD-9-CM diagnosis code (retired)
358.31 — Lambert-Eaton syndrome in neoplastic 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 358.31
358.31 is an ICD-9-CM diagnosis code for Lambert-Eaton syndrome in neoplastic 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, G73.1 (Lambert-Eaton syndrome in neoplastic disease). The match is exact.
ICD-10-CM equivalents
- G73.1Lambert-Eaton syndrome in neoplastic diseaseexact match
Common questions about 358.31
What is the ICD-10 code for ICD-9 358.31?
- The GEMs map 358.31 to ICD-10-CM G73.1.
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.