ICD-10 Code: I50.23 – Acute on chronic systolic (congestive) heart failure
ICD-10 code I50.23 corresponds to Acute on chronic systolic (congestive) heart failure. This code is classified under the chapter I50 Heart failure, which is part of the I30-I5A: Other forms of heart disease category.
The parent chapter is Diseases of the circulatory system.