2008 ICD-9-CM Volume 1 Diagnosis Codes Home > Mental Disorders 290-319 > Neurotic Disorders, Personality Disorders, And Other Nonpsychotic Mental Disorders 300-316 > Nondependent Abuse Of Drugs 305.* > 2008 ICD-9-CM Diagnosis 305.4 Nondependent sedative, hypnotic or anxiolytic abuse  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 Therefore, this code may be out of date.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 305.4 can be accessed here. 305.4 is a non-specific code that cannot be used to specify a diagnosis 305.4 contains 5 index entries View the ICD-9-CM Volume 1 305.* hierarchy ICD9Data's sister site ProcedureCodes.com launches with the 2008/09 CPT® codes - read more on the ICD9Data.com blog. Index entries containing 305.4: Abuse drugs, nondependent 305.9 anxiolytic 305.4 barbiturates 305.4 hypnotic 305.4 sedative 305.4 tranquilizers 305.4