2008 ICD-9-CM Volume 1 Diagnosis Codes Home > Diseases Of The Nervous System And Sense Organs 320-389 > Hereditary And Degenerative Diseases Of The Central Nervous System 330-337 > Anterior Horn Cell Disease 335.* > 2008 ICD-9-CM Diagnosis 335.23 Pseudobulbar palsy  On October 1, 2008 the 2009 ICD-9-CM codes came into effect. Therefore, this code may be out of date. The 2009 version of ICD-9-CM 335.23 can be accessed here. A syndrome characterized by DYSARTHRIA, dysphagia, dysphonia, impairment of voluntary movements of tongue and facial muscles, and emotional lability. This condition is caused by diseases that affect the motor fibers that travel from the cerebral cortex to the lower BRAIN STEM (i.e., corticobulbar tracts); including MULTIPLE SCLEROSIS; MOTOR NEURON DISEASE; and CEREBROVASCULAR DISORDERS. (From Adams et al., Principles of Neurology, 6th ed, p489) 335.23 is a specific code that can be used to specify a diagnosis 335.23 contains 4 index entries View the ICD-9-CM Volume 1 335.* hierarchy ICD9Data's sister site ProcedureCodes.com launches with the 2008/09 CPT® codes - read more on the ICD9Data.com blog. Index entries containing 335.23: Palsy (see also Paralysis) 344.9 bulbar (chronic) (progressive) 335.22 pseudo NEC 335.23 pseudobulbar NEC 335.23 Paralysis, paralytic (complete) (incomplete) 344.9 bulbar (chronic) (progressive) 335.22 pseudo 335.23 pseudobulbar 335.23