ICD-9-CM diagnosis code (retired)
751.9 — Unspecified anomaly of digestive system
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 751.9
751.9 is an ICD-9-CM diagnosis code for unspecified anomaly of digestive system. 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, Q45.9 (Congenital malformation of digestive system, unspecified). The match is exact.
ICD-10-CM equivalents
- Q45.9Congenital malformation of digestive system, unspecifiedexact match
Common questions about 751.9
What is the ICD-10 code for ICD-9 751.9?
- The GEMs map 751.9 to ICD-10-CM Q45.9.
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.