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2007 ICD-9-CM Volume 1 Diagnosis Codes Home > Injury And Poisoning 800-999 > Toxic Effects Of Substances Chiefly Nonmedicinal As To Source 980-989 > Toxic Effect Of Other Substances Chiefly Nonmedicinal As To Source 989.* > 2007 ICD-9-CM Diagnosis 989.8 Toxic effect of other substances chiefly nonmedicinal as to source  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 Therefore, this code may be out of date.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 989.8 can be accessed here. 989.8 is a non-specific code that cannot be used to specify a diagnosis View the ICD-9-CM Volume 1 989.* hierarchy