specific developmental disorder tic disorder A specific developmental disorder that is characterized by the persistent presence of involuntary brief movements or sounds occuring intermittently and unpredictably out of a background of normal motor activity. DOID:2769 ICD9CM:307.2 ICD9CM:307.20 MSH:D013981 SNOMEDCT_2010_1_31:112086008 SNOMEDCT_2010_1_31:155005001 SNOMEDCT_2010_1_31:191988002 SNOMEDCT_2010_1_31:191989005 SNOMEDCT_2010_1_31:191991002 SNOMEDCT_2010_1_31:192621007 SNOMEDCT_2010_1_31:192626002 SNOMEDCT_2010_1_31:35042001 SNOMEDCT_2010_1_31:386783003 SNOMEDCT_2010_1_31:393585001 SNOMEDCT_2010_1_31:568005 UMLS_CUI:C0040188 disease_ontology