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 347.11 Narcolepsy in conditions classified elsewhere, with cataplexy View the most recent version of ICD-9-CM 347.11 347.11 is a specific code that can be used to specify a diagnosis 347.11 contains 1 index entry View the ICD-9-CM Volume 1 347.* hierarchy  Index entries containing 347.11: Narcolepsy 347.00 in conditions classified elsewhere 347.10 with cataplexy 347.11