2006 ICD-9-CM Volume 1 Diagnosis Codes Home > Infectious And Parasitic Diseases 001-139 > Zoonotic Bacterial Diseases 020-027 > Brucellosis 023.* > 2006 ICD-9-CM Diagnosis 023.1 Brucella abortus View the most recent version of ICD-9-CM 023.1 A disease of cattle caused by bacteria of the genus BRUCELLA leading to abortion in late pregnancy. BRUCELLA ABORTUS is the primary infective agent. 023.1 is a specific code that can be used to specify a diagnosis 023.1 contains 6 index entries View the ICD-9-CM Volume 1 023.* hierarchy  Index entries containing 023.1: Bacillus - see also Infection, bacillus abortus infection 023.1 Bang's disease (Brucella abortus) 023.1 Brucella, brucellosis (infection) 023.9 abortus 023.1 Disease, diseased - see also Syndrome Bang's (Brucella abortus) 023.1 Infection, infected, infective (opportunistic) 136.9 Bacillus NEC 041.89 abortus 023.1 Brucella 023.9 abortus 023.1