2008 ICD-9-CM Volume 1 Diagnosis Codes Home > Mental Disorders 290-319 > Neurotic Disorders, Personality Disorders, And Other Nonpsychotic Mental Disorders 300-316 > Special Symptoms Or Syndromes Not Elsewhere Classified 307.* > 2008 ICD-9-CM Diagnosis 307.44 Persistent disorder of initiating or maintaining wakefulness  On October 1, 2008 the 2009 ICD-9-CM codes came into effect. Therefore, this code may be out of date. The 2009 version of ICD-9-CM 307.44 can be accessed here. 307.44 is a specific code that can be used to specify a diagnosis 307.44 contains 4 index entries View the ICD-9-CM Volume 1 307.* hierarchy ICD9Data's sister site ProcedureCodes.com launches with the 2008/09 CPT® codes - read more on the ICD9Data.com blog. 307.44 also known as: Hypersomnia associated with depression (major) (minor) Insufficient sleep syndrome Primary hypersomnia 307.44 excludes: sleep deprivation (V69.4) Index entries containing 307.44: Disorder - see also Disease wakefulness (see also Hypersomnia) 780.54 nonorganic origin (transient) 307.43 persistent 307.44 Hypersomnia, unspecified 780.54 nonorganic origin 307.43 persistent (primary) 307.44 primary 307.44 Syndrome - see also Disease insufficient sleep 307.44