ICD-9-CM diagnosis code (retired)
488.81 — Influenza due to identified novel influenza A virus with pneumonia
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 488.81
488.81 is an ICD-9-CM diagnosis code for influenza due to identified novel influenza A virus with pneumonia. 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, J09.X1 (Influenza due to identified novel influenza A virus with pneumonia). The match is approximate, so confirm it against the record.
ICD-10-CM equivalents
- J09.X1Influenza due to identified novel influenza A virus with pneumoniaapproximate
Common questions about 488.81
What is the ICD-10 code for ICD-9 488.81?
- The GEMs map 488.81 to ICD-10-CM J09.X1.
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.