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 327.2 Sleep apnea View the most recent version of ICD-9-CM 327.2 327.2 is a non-specific code that cannot be used to specify a diagnosis View the ICD-9-CM Volume 1 327.* hierarchy 327.2 Excludes Cheyne-Stokes breathing (786.04) hypersomnia with sleep apnea NOS (780.53) insomnia with sleep apnea NOS (780.51) sleep apnea in newborn (770.81-770.82) sleep apnea NOS (780.57)