2006 ICD-9-CM Volume 1 Diagnosis Codes Home > Mental Disorders 290-319 > Neurotic Disorders, Personality Disorders, And Other Nonpsychotic Mental Disorders 300-316 > Drug Dependence 304.* > 2006 ICD-9-CM Diagnosis 304.02 Opioid type dependence episodic use View the most recent version of ICD-9-CM 304.02 304.02 is a specific code that can be used to specify a diagnosis View the ICD-9-CM Volume 1 304.* hierarchy