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 784.41 Aphonia View the most recent version of ICD-9-CM 784.41 Complete loss of phonation due to organic disease of the larynx or to nonorganic (i.e., psychogenic) causes. 784.41 is a specific code that can be used to specify a diagnosis 784.41 contains 4 index entries View the ICD-9-CM Volume 1 784.* hierarchy Alternate Terminology Loss of voice  Index entries containing 784.41: Aphonia 784.41 clericorum 784.49 hysterical 300.11 organic 784.41 psychogenic 306.1 Loss voice (see also Aphonia) 784.41 Voice loss (see also Aphonia) 784.41