2006 ICD-9-CM Volume 1 Diagnosis Codes Home > Diseases Of The Nervous System And Sense Organs 320-389 > Other Disorders Of The Central Nervous System 340-349 > Other Paralytic Syndromes 344.* > 2006 ICD-9-CM Diagnosis 344.00 Quadriplegia unspecified View the most recent version of ICD-9-CM 344.00 Severe or complete loss of motor function in all four limbs which may result from BRAIN DISEASES; SPINAL CORD DISEASES; PERIPHERAL NERVOUS SYSTEM DISEASES; NEUROMUSCULAR DISEASES; or rarely MUSCULAR DISEASES. The locked-in syndrome is characterized by quadriplegia in combination with cranial muscle paralysis. Consciousness is spared and the only retained voluntary motor activity may be limited eye movements. This condition is usually caused by a lesion in the upper BRAIN STEM which injures the descending cortico-spinal and cortico-bulbar tracts. 344.00 is a specific code that can be used to specify a diagnosis 344.00 contains 1 index entry View the ICD-9-CM Volume 1 344.* hierarchy  Index entries containing 344.00: Quadriplegia 344.00 with fracture, vertebra (process) - see Fracture, vertebra, cervical, with spinal cord injury brain (current episode) 437.8 C1-C4 complete 344.01 incomplete 344.02 C5-C7 complete 344.03 incomplete 344.04 cerebral (current episode) 437.8 congenital or infantile (cerebral) (spastic) (spinal) 343.2 cortical 437.8 embolic (current episode) (see also Embolism, brain) 434.1 infantile (cerebral) (spastic) (spinal) 343.2 newborn NEC 767.0 specified NEC 344.09 thrombotic (current episode) (see also Thrombosis, brain) 434.0 traumatic - see Injury, spinal, cervical