A03.1

Shigellosis due to Shigella flexneri

Billable / specific

A03.1 is a billable, specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes in FY2027.

Inclusion terms

Applicable to

  • Group B shigellosis

Includes (from A03)

  • diseases generally recognized as communicable or transmissible

Excludes2

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

  • carrier or suspected carrier of infectious disease (Z22.-) (from A03)
  • certain localized infections - see body system-related chapters (from A03)
  • infectious and parasitic diseases complicating pregnancy, childbirth and the puerperium (O98.-) (from A03)
  • infectious and parasitic diseases specific to the perinatal period (P35-P39) (from A03)
  • influenza and other acute respiratory infections (J00-J22) (from A03)

Use additional code

Add a code to identify the following, if applicable.

  • code to identify resistance to antimicrobial drugs (Z16.-) (from A03)

Also known as

  • Group B shigellosis
  • Bacillus, Flexner's
  • Diarrhea, diarrheal, Flexner's
  • Dysentery, dysenteric, bacillary, Flexner
  • Dysentery, dysenteric, bacillary, Shigella, flexneri
  • Dysentery, dysenteric, bacillary, Shigella, group B
  • Dysentery, dysenteric, Flexner's
  • Dysentery, dysenteric, Hiss-Russell
  • Flexner's dysentery
  • Hiss-Russell dysentery
  • Infection, infected, infective, Bacillus, Flexner's
  • Infection, infected, infective, Shigella, flexneri
  • Infection, infected, infective, Shigella, group, B
  • Shigellosis, Group B

Parent code

  • A03ShigellosisHeader

Related codes

  • A03.0Shigellosis due to Shigella dysenteriaeBillable
  • A03.2Shigellosis due to Shigella boydiiBillable
  • A03.3Shigellosis due to Shigella sonneiBillable
  • A03.8Other shigellosisBillable
  • A03.9Shigellosis, unspecifiedBillable

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