C C923 Vaccine Vaccine Preparations containing substances with antigenic properties administered to activate the immune system, thereby inducing an immune response. C307 Biologic Agent|Biologic C90259 NICHD Pediatric Terminology C C923 Vaccine Vaccine Preparations containing substances with antigenic properties administered to activate the immune system, thereby inducing an immune response. C307 Biologic Agent|Biologic C96388 NICHD Childhood Immunization Terminology C C3085 Hemangioma Hemangioma A benign vascular lesion characterized by the formation of capillary-sized or cavernous vascular channels. C3262 Neoplasm C89506 NICHD Newborn Screening Terminology C C3085 Hemangioma Hemangioma A benign vascular lesion characterized by the formation of capillary-sized or cavernous vascular channels. C3262 Neoplasm C90259 NICHD Pediatric Terminology