C	C27179	Juvenile Rheumatoid Arthritis	Juvenile Rheumatoid Arthritis (AQ)		An older, deprecated term that encompassed three major types of autoimmune or autoinflammatory arthritis in children: systemic-onset, pauciarticular, or polyarticular arthritis. The juvenile rheumatoid arthritis classification system has been replaced by the International League of Associations for Rheumatology (ILAR) juvenile idiopathic arthritis classification system.	An older, deprecated term that encompassed three major types of autoimmune or autoinflammatory arthritis in children: systemic-onset, pauciarticular, or polyarticular arthritis. The juvenile rheumatoid arthritis classification system has been replaced by the International League of Associations for Rheumatology (ILAR) juvenile idiopathic arthritis classification system.	C2889	Autoimmune Disease			C90259	Pediatric Terminology
C	C2959	Complication	Complication		Any disease or disorder that occurs during the course of, or because of, another disease, treatment, or procedure.		C3367	Finding			C90259	Pediatric Terminology
C	C34541	Diphtheria	Diphtheria		A Gram-positive bacterial infection caused by Corynebacterium diphtheriae. It usually involves the oral cavity, pharynx, and nasal cavity. Patients develop pseudomembranes in the affected areas and manifest signs and symptoms of an upper respiratory infection. The diphtheria toxin may cause myocarditis, polyneuritis, and other systemic effects.		C2890	Bacterial Disease			C90259	Pediatric Terminology
C	C97132	Chicken Pox	Chicken Pox		A contagious childhood disorder caused by the varicella zoster virus. It is transmitted via respiratory secretions and contact with chickenpox blister contents. It presents with a vesicular skin rash, usually associated with fever, headache, and myalgias. The pruritic fluid-filled vesicles occur 10-21 days after exposure and last for 3-4 days. An additional 3-4 days of malaise follows before the affected individual feels better. An individual is contagious 1-2 days prior to the appearance of the blisters until all blisters are crusted over. Generally, healthy individuals recover without complications.		C96411	Pediatric Viral Infection	C96407	Varicella Zoster Infection	C90259	Pediatric Terminology
D	C4954	Malignant Primary Brain Neoplasm	Malignant Brain Tumor	Primary Malignant Brain Tumor	A malignant neoplasm that arises from the brain. Representative examples include anaplastic astrocytoma, glioblastoma, and lymphoma.	An abnormal solid mass arising within the brain with histologic features suggesting the potential to metastasize.	C2907	Brain Tumor	C9305	Cancer	C90259	Pediatric Terminology