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2007 ICD-9-CM Volume 1 Diagnosis Codes Home > Diseases Of The Nervous System And Sense Organs 320-389 > Disorders Of The Peripheral Nervous System 350-359 > Disorders Of Other Cranial Nerves 352.* > 2007 ICD-9-CM Diagnosis 352.4 Disorders of accessory (11th) nerve This code may be outdated. View the most recent version of ICD-9-CM 352.4 Diseases of the eleventh cranial (spinal accessory) nerve. This nerve originates from motor neurons in the lower medulla (accessory portion of nerve) and upper spinal cord (spinal portion of nerve). The two components of the nerve join and exit the skull via the jugular foramen, innervating the sternocleidomastoid and trapezius muscles, which become weak or paralyzed if the nerve is injured. The nerve is commonly involved in MOTOR NEURON DISEASE, and may be injured by trauma to the posterior triangle of the neck. 352.4 is a specific code that can be used to specify a diagnosis 352.4 contains 13 index entries View the ICD-9-CM Volume 1 352.* hierarchy Index entries containing 352.4: Atrophy, atrophic nerve - see also Disorder, nerve accessory 352.4 cranial 352.9 eleventh (accessory) 352.4 Disorder - see also Disease nerve 349.9 accessory 352.4 cranial 352.9 eleventh 352.4 Lesion(s) cranial nerve 352.9 eleventh 352.4 Neuralgia, neuralgic (acute) (see also Neuritis) 729.2 accessory (nerve) 352.4 Neuritis (see also Neuralgia) 729.2 accessory (nerve) 352.4 cranial nerve - see also Disorder, nerve, cranial eleventh or accessory 352.4 Paralysis, paralytic (complete) (incomplete) 344.9 accessory nerve 352.4 nerve - see also Disorder, nerve accessory 352.4 spinal (cord) NEC 344.1 accessory nerve 352.4 sternomastoid 352.4 trapezius 352.4