ICD-9-CM diagnosis code (retired)
777.9 — Unspecified perinatal disorder 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 777.9
777.9 is an ICD-9-CM diagnosis code for unspecified perinatal disorder 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, P78.9 (Perinatal digestive system disorder, unspecified). The match is exact.
ICD-10-CM equivalents
- P78.9Perinatal digestive system disorder, unspecifiedexact match
Common questions about 777.9
What is the ICD-10 code for ICD-9 777.9?
- The GEMs map 777.9 to ICD-10-CM P78.9.
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.