2006 ICD-9-CM Volume 1 Diagnosis Codes Home > Diseases Of The Respiratory System 460-519 > Other Diseases Of Upper Respiratory Tract 470-478 > Other Diseases Of Upper Respiratory Tract 478.* > 2006 ICD-9-CM Diagnosis 478.30 Unspecified paralysis of vocal cords View the most recent version of ICD-9-CM 478.30 Paralysis of one or both vocal cords, which produces hoarseness or aphonia. This condition may be caused by diseases of the medulla (e.g., LATERAL MEDULLARY SYNDROME), VAGUS NERVE, or recurrent laryngeal nerve. Neuromuscular junction diseases and local myopathic processes may also affect vocal cord function. 478.30 is a specific code that can be used to specify a diagnosis 478.30 contains 9 index entries View the ICD-9-CM Volume 1 478.* hierarchy Alternate Terminology Laryngoplegia Paralysis of glottis  Index entries containing 478.30: Gerhardt's syndrome (vocal cord paralysis) 478.30 Laryngoplegia (see also Paralysis, vocal cord) 478.30 Paralysis, paralytic (complete) (incomplete) 344.9 glottis (see also Paralysis, vocal cord) 478.30 laryngeal nerve (recurrent) (superior) (see also Paralysis, vocal cord) 478.30 larynx (see also Paralysis, vocal cord) 478.30 due to diphtheria (toxin) 032.3 nerve - see also Disorder, nerve laryngeal (see also Paralysis, vocal cord) 478.30 recurrent laryngeal nerve (see also Paralysis, vocal cord) 478.30 vocal cord 478.30 bilateral (partial) 478.33 complete 478.34 complete (bilateral) 478.34 unilateral (partial) 478.31 complete 478.32 Syndrome - see also Disease Gerhardt's (vocal cord paralysis) 478.30