A23.1

Brucellosis due to Brucella abortus

Billable / specific

A23.1 is a billable, specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes in FY2027.

Inclusion terms

Includes (from A23)

  • diseases generally recognized as communicable or transmissible
  • Malta fever
  • Mediterranean fever
  • undulant fever

Excludes2

Not included here — may be reported together when both conditions exist.

  • carrier or suspected carrier of infectious disease (Z22.-) (from A23)
  • certain localized infections - see body system-related chapters (from A23)
  • infectious and parasitic diseases complicating pregnancy, childbirth and the puerperium (O98.-) (from A23)
  • infectious and parasitic diseases specific to the perinatal period (P35-P39) (from A23)
  • influenza and other acute respiratory infections (J00-J22) (from A23)

Use additional code

Add a code to identify the following, if applicable.

  • code to identify resistance to antimicrobial drugs (Z16.-) (from A23)

Also known as

  • Abortus fever
  • Bacillus, abortus infection
  • Bang's disease
  • Brucellosis, abortus
  • Disease, diseased, Bang's
  • Fever, abortus
  • Infection, infected, infective, Bacillus, abortus
  • Infection, infected, infective, Brucella, abortus

Parent code

  • A23BrucellosisHeader

Related codes

  • A23.0Brucellosis due to Brucella melitensisBillable
  • A23.2Brucellosis due to Brucella suisBillable
  • A23.3Brucellosis due to Brucella canisBillable
  • A23.8Other brucellosisBillable
  • A23.9Brucellosis, unspecifiedBillable

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