ICD-10-CM>I00-I99>I80-I89>I88I88Nonspecific lymphadenitisNon-Billable/Non-SpecificType 1 Excludesacute lymphadenitis, except mesenteric (L04.-)enlarged lymph nodes NOS (R59.-)human immunodeficiency virus [HIV] disease resulting in generalized lymphadenopathy (B20)CodesI88.0Nonspecific mesenteric lymphadenitisI88.1Chronic lymphadenitis, except mesentericI88.8Other nonspecific lymphadenitisI88.9Nonspecific lymphadenitis, unspecified