Recurrent infections Recurrent tonsillitis 2011-06-10T07:46:38Z true ICD10:J03 Recurrent inflammation of tonsils UMLS:C0040425 Inflammation of the tonsils that has occurred repeatedly. The definition of recurrent may vary somewhat, but the criteria used recently as a measure of severity were five or more episodes of true tonsillitis per year, symptoms recurring for at least a year, and episodes that are disabling and that prevent normal functioning. In some cases recurrent tonsillitis may be related to immunosusceptibility. Evidence exists for a genetic predisposition for recurrent tonsillitis. HP:0011110 SNOMEDCT_US:90176007 Abnormality of the tonsils