ICD-9-CM diagnosis code (retired)
238.9 — Neoplasm of uncertain behavior, site 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 238.9
238.9 is an ICD-9-CM diagnosis code for neoplasm of uncertain behavior, site 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, D48.9 (Neoplasm of uncertain behavior, unspecified). The match is exact.
ICD-10-CM equivalents
- D48.9Neoplasm of uncertain behavior, unspecifiedexact match
Common questions about 238.9
What is the ICD-10 code for ICD-9 238.9?
- The GEMs map 238.9 to ICD-10-CM D48.9.
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.