ICD-9-CM diagnosis code (retired)
488.11 — Influenza due to identified 2009 H1N1 influenza 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 488.11
488.11 is an ICD-9-CM diagnosis code for influenza due to identified 2009 H1N1 influenza 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, J10.08 (Influenza due to other identified influenza virus with other specified pneumonia). The match is approximate, so confirm it against the record.
ICD-10-CM equivalents
- J10.08Influenza due to other identified influenza virus with other specified pneumoniaapproximate
Common questions about 488.11
What is the ICD-10 code for ICD-9 488.11?
- The GEMs map 488.11 to ICD-10-CM J10.08.
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.