2007 ICD-9-CM Procedure 99.31 Vaccination against cholera 99.31 is a specific code that can be used to specify a procedure 99.31 contains 2 index entries View the full Volume 3 99.* hierarchy Index entries containing 99.31: Immunization -- see also Vaccination cholera 99.31 Vaccination (prophylactic) (against) 99.59 cholera 99.31