2006 ICD-9-CM Volume 1 Diagnosis Codes Home > Infectious And Parasitic Diseases 001-139 > Zoonotic Bacterial Diseases 020-027 > ICD-9-CM Diagnosis 023 Brucellosis Infection caused by bacteria of the genus BRUCELLA mainly involving the reticuloendothelial system. This condition is characterized by fever, weakness, malaise, and weight loss. 023 is a non-specific code that cannot be used to specify a diagnosis ICD-9-CM Diagnosis 023.0 Brucella melitensis 023.0 is a specific code that can be used to specify a diagnosis 023.0 contains 6 index entries ICD-9-CM Diagnosis 023.1 Brucella abortus 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 ICD-9-CM Diagnosis 023.2 Brucella suis 023.2 is a specific code that can be used to specify a diagnosis 023.2 contains 2 index entries ICD-9-CM Diagnosis 023.3 Brucella canis 023.3 is a specific code that can be used to specify a diagnosis 023.3 contains 2 index entries ICD-9-CM Diagnosis 023.8 Other brucellosis 023.8 is a specific code that can be used to specify a diagnosis 023.8 contains 2 index entries ICD-9-CM Diagnosis 023.9 Brucellosis unspecified Infection caused by bacteria of the genus BRUCELLA mainly involving the reticuloendothelial system. This condition is characterized by fever, weakness, malaise, and weight loss. 023.9 is a specific code that can be used to specify a diagnosis 023.9 contains 19 index entries