ICD-9-CM diagnosis code (retired)
518.4 — Acute edema of lung, unspecified
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 518.4
518.4 is an ICD-9-CM diagnosis code for acute edema of lung, unspecified. 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, J81.0 (Acute pulmonary edema). The match is exact.
ICD-10-CM equivalents
- J81.0Acute pulmonary edemaexact match
Common questions about 518.4
What is the ICD-10 code for ICD-9 518.4?
- The GEMs map 518.4 to ICD-10-CM J81.0.
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.