ICD-10-CM > D50-D89 > D70-D77 > D72 > D72.1 > D72.11 D72.11 Hypereosinophilic syndrome [HES] Non-Billable/Non-Specific Codes D72.110Idiopathic hypereosinophilic syndrome [IHES]D72.111Lymphocytic Variant Hypereosinophilic Syndrome [LHES]D72.118Other hypereosinophilic syndromeD72.119Hypereosinophilic syndrome [HES], unspecified