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 023.9 Brucellosis unspecified View the most recent version of ICD-9-CM 023.9 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 View the ICD-9-CM Volume 1 023.* hierarchy  Index entries containing 023.9: Abortus fever 023.9 Brucella, brucellosis (infection) 023.9 abortus 023.1 canis 023.3 dermatitis, skin 023.9 melitensis 023.0 mixed 023.8 suis 023.2 Cyprus fever (see also Brucellosis) 023.9 Dermatitis (allergic) (contact) (occupational) (venenata) 692.9 Brucella NEC 023.9 Erythema, erythematous (generalized) 695.9 brucellum (see also Brucellosis) 023.9 Fever 780.6 abortus NEC 023.9 Cyprus (see also Brucellosis) 023.9 Gibraltar (see also Brucellosis) 023.9 Malta (see also Brucellosis) 023.9 Mediterranean (see also Brucellosis) 023.9 familial tick 082.1 mountain 066.1 meaning undulant fever (see also Brucellosis) 023.9 Neapolitan (see also Brucellosis) 023.9 undulant (see also Brucellosis) 023.9 Infection, infected, infective (opportunistic) 136.9 Brucella 023.9 abortus 023.1 canis 023.3 melitensis 023.0 mixed 023.8 suis 023.2 Malta fever (see also Brucellosis) 023.9 Mediterranean fever (see also Brucellosis) 023.9 familial Neapolitan fever (see also Brucellosis) 023.9 Undulant fever (see also Brucellosis) 023.9