Abnormal delayed hypersensitivity skin test Cutaneous anergy HP:0002965 Lack of delayed skin hypersensitivity reaction Absence of delayed hypersensitivity skin test Anergy skin testing assesses the responses to skin-test antigens to which a cell-mediated, delayed-type hypersensitivity (DTH) response is expected. HP:0005427 Inability to react to a delayed hypersensitivity skin test. UMLS:C1855781