ICD-9-CM diagnosis code (retired)
348.30 — Encephalopathy, unspecified
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 348.30
348.30 is an ICD-9-CM diagnosis code for encephalopathy, unspecified. 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, G93.40 (Encephalopathy, unspecified). The match is exact.
ICD-10-CM equivalents
- G93.40Encephalopathy, unspecifiedexact match
Common questions about 348.30
What is the ICD-10 code for ICD-9 348.30?
- The GEMs map 348.30 to ICD-10-CM G93.40.
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.