ICD-10-CM > A00-B99 > A20-A28 > A23 A23 Brucellosis Non-Billable/Non-Specific Includes Malta feverMediterranean feverundulant fever Codes A23.0Brucellosis due to Brucella melitensisA23.1Brucellosis due to Brucella abortusA23.2Brucellosis due to Brucella suisA23.3Brucellosis due to Brucella canisA23.8Other brucellosisA23.9Brucellosis, unspecified