expressive language disorder A language disorder that involves difficulties with verbal and written expression characterized by an ability to use expressive spoken language that is markedly below the appropriate level for the mental age, but with a language comprehension that is within normal limits. DOID:11385 Developmental expressive language disorder ICD9CM:315.31 SNOMEDCT_2010_1_31:192565006 SNOMEDCT_2010_1_31:229733002 SNOMEDCT_2010_1_31:268734000 SNOMEDCT_2010_1_31:80360005 UMLS_CUI:C0236826 disease_ontology language disorder