Icd 10 diagnosis code for chf exacerbation July 8, 2019 16 32 64 128 Icd 10 diagnosis code for acute exacerbation of chf Icd 9 chf exacerbation Chf exacerbations icd 10 Icd 10 code for chf exacerbation Icd 10 code for acute chf exacerbation unspecified