2008 ICD-9-CM Volume 1 Diagnosis Codes Home > Diseases Of The Digestive System 520-579 > Diseases Of Oral Cavity, Salivary Glands, And Jaws 520-529 > Other Diseases And Conditions Of The Teeth And Supporting Structures 525.* > 2008 ICD-9-CM Diagnosis 525.66 Allergy to existing dental restorative material  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 Therefore, this code may be out of date.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 525.66 can be accessed here. 525.66 is a specific code that can be used to specify a diagnosis 525.66 contains 1 index entry View the ICD-9-CM Volume 1 525.* hierarchy ICD9Data's sister site ProcedureCodes.com launches with the 2008/09 CPT® codes - read more on the ICD9Data.com blog. Use additional code to identify the specific type of allergy Index entries containing 525.66: Allergy, allergic (reaction) 995.3 existing dental restorative material 525.66