2006 ICD-9-CM Volume 1 Diagnosis Codes Home > Diseases Of The Nervous System And Sense Organs 320-389 > Inflammatory Diseases Of The Central Nervous System 320-327 > Sleep Disorders 327.* > 2006 ICD-9-CM Diagnosis 327.27 Central sleep apnea in conditions classified elsewhere View the most recent version of ICD-9-CM 327.27 327.27 is a specific code that can be used to specify a diagnosis 327.27 contains 1 index entry View the ICD-9-CM Volume 1 327.* hierarchy Code first underlying condition  Index entries containing 327.27: Apnea, apneic (spells) 786.03 sleep 780.57 central, in conditions classified elsewhere 327.27