2008 ICD-9-CM Volume 1 Diagnosis Codes Home > Supplementary Classification Of Factors Influencing Health Status And Contact With Health Services V01-V86 > Persons With Potential Health Hazards Related To Communicable Diseases V01-V09 > Need For Prophylactic Vaccination And Inoculation Against Certain Viral Diseases V04.* > 2008 ICD-9-CM Diagnosis V04.1 Need for prophylactic vaccination and inoculation against smallpox  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 Therefore, this code may be out of date.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 V04.1 can be accessed here. V04.1 is a specific code that can be used to specify a diagnosis V04.1 contains 3 index entries View the ICD-9-CM Volume 1 V04.* hierarchy ICD9Data's sister site ProcedureCodes.com launches with the 2008/09 CPT® codes - read more on the ICD9Data.com blog. Index entries containing V04.1: Admission (encounter) for vaccination, prophylactic (against) smallpox V04.1 Smallpox 050.9 vaccination prophylactic (against) V04.1 Vaccination prophylactic (against) V05.9 smallpox V04.1