ICD-9-CM diagnosis code (retired)
777.53 — Stage III necrotizing enterocolitis in newborn
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 777.53
777.53 is an ICD-9-CM diagnosis code for stage III necrotizing enterocolitis in newborn. 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, P77.3 (Stage 3 necrotizing enterocolitis in newborn). The match is exact.
ICD-10-CM equivalents
- P77.3Stage 3 necrotizing enterocolitis in newbornexact match
Common questions about 777.53
What is the ICD-10 code for ICD-9 777.53?
- The GEMs map 777.53 to ICD-10-CM P77.3.
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.