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 > 2006 ICD-9-CM Diagnosis 347.00 Narcolepsy, without cataplexy View the most recent version of ICD-9-CM 347.00 A condition characterized by recurrent episodes of daytime somnolence and lapses in consciousness (microsomnias) that may be associated with automatic behaviors and AMNESIA. CATAPLEXY; SLEEP PARALYSIS, and hypnagogic HALLUCINATIONS frequently accompany narcolepsy. The pathophysiology of this disorder includes sleep-onset rapid eye movement (REM) sleep, which normally follows stage III or IV sleep. (From Neurology 1998 Feb;50 347.00 is a specific code that can be used to specify a diagnosis 347.00 contains 7 index entries View the ICD-9-CM Volume 1 347.* hierarchy Alternate Terminology Narcolepsy NOS  Index entries containing 347.00: Disease, diseased - see also Syndrome sleeping (see also Narcolepsy) 347.00 meaning sleeping sickness (see also Trypanosomiasis) 086.5 Epilepsy, epileptic (idiopathic) 345.9 sleep (see also Narcolepsy) 347.00 Gélineau's syndrome (see also Narcolepsy) 347.00 Narcolepsy 347.00 with cataplexy 347.01 in conditions classified elsewhere 347.10 with cataplexy 347.11 Periodic - see also condition somnolence (see also Narcolepsy) 347.00 Sleep paroxysmal (see also Narcolepsy) 347.00 Syndrome - see also Disease Gélineau's (see also Narcolepsy) 347.00