ICD-9-CM diagnosis code (retired)
779.4 — Drug reactions and intoxications specific to 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 779.4
779.4 is an ICD-9-CM diagnosis code for drug reactions and intoxications specific to 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 2 ICD-10-CM codes, such as P93.0 (Grey baby syndrome) and P93.8 (Other reactions and intoxications due to drugs administered to newborn). All of these are approximate matches, so review the record to pick the right one.
ICD-10-CM equivalents
Common questions about 779.4
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.