023.9 BRUCELLOSIS NOS


Code Information

Diagnosis Code: 023.9

Short Description: Brucellosis NOS

Long Description: Brucellosis, unspecified

Code Classification:

  • Infectious and parasitic diseases (001–139)
    • Zoonotic bacterial diseases (020-027)
      • 023 Brucellosis
        • 023.9 Brucellosis NOS

Code Version: 2015 ICD-9-CM


References to Index of Diseases and Injuries

The code 023.9 has the following ICD-9-CM references to the Index of Diseases and Injuries
  • Abortus fever 023.9
  • Arthritis, arthritic (acute) (chronic) (subacute) 716.9
    • due to or associated with
      • brucellosis (see also Brucellosis) 023.9 [711.4]
  • 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 780.60
    • 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 277.31
      • 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 277.31
  • Neapolitan fever (see also Brucellosis) 023.9
  • Undulant fever (see also Brucellosis) 023.9

Crosswalk Information

The code 023.9 converts into the following ICD-10 code(s):
ICD-9 Code ICD-10 Code ICD-10 Description
023.9 Right Arrow A23.9 Brucellosis, unspecified
This ICD-9 to ICD-10 data is based on the 2018 General Equivalency Mapping (GEM) files published by the Centers for Medicare & Medicaid Services (CMS) for informational purposes only. The data is not an ICD-10 conversion tool and doesn’t guarantee clinical accuracy.

Similar Codes

ICD-9 Code ICD-9 Description
023.0 Brucella melitensis
023.1 Brucella abortus
023.2 Brucella suis
023.3 Brucella canis
023.8 Other brucellosis


This page was last updated on: 10/1/2014