2006 ICD-9-CM Volume 1 Diagnosis Codes Home > Symptoms, Signs, And Ill-Defined Conditions 780-799 > Symptoms 780-789 > Symptoms Involving Head And Neck 784.* > 2006 ICD-9-CM Diagnosis 784.3 Aphasia View the most recent version of ICD-9-CM 784.3 A cognitive disorder marked by an impaired ability to comprehend or express language in its written or spoken form. This condition is caused by diseases which affect the language areas of the dominant hemisphere. Clinical features are used to classify the various subtypes of this condition. General categories include receptive, expressive, and mixed forms of aphasia. 784.3 is a specific code that can be used to specify a diagnosis 784.3 contains 9 index entries View the ICD-9-CM Volume 1 784.* hierarchy 784.3 Excludes developmental aphasia (315.31)  Index entries containing 784.3: Alalia 784.3 developmental 315.31 receptive-expressive 315.32 secondary to organic lesion 784.3 Aphasia (amnestic) (ataxic) (auditory) (Broca's) (choreatic) (classic) (expressive) (global) (ideational) (ideokinetic) (ideomotor) (jargon) (motor) (nominal) (receptive) (semantic) (sensory) (syntactic) (verbal) (visual) (Wernicke's) 784.3 developmental 315.31 syphilis, tertiary 094.89 uremic - see Uremia Aphemia 784.3 uremic - see Uremia Dumbness (see also Aphasia) 784.3 Dysnomia 784.3 Mutism (see also Aphasia) 784.3 akinetic 784.3 deaf (acquired) (congenital) 389.7 hysterical 300.11 selective (elective) 313.23 adjustment reaction 309.83 Paraphasia 784.3