1. ICD-10-CM Codes
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2. A00-B99 Certain infectious and parasitic diseases
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3. A00-A09 Intestinal infectious diseases
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4. A02- Other salmonella infections
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2020 ICD-10-CM Diagnosis Code A02.0

Salmonella enteritis

2016 2017 2018 2019 2020 Billable/Specific Code

• A02.0 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
• The 2020 edition of ICD-10-CM A02.0 became effective on October 1, 2019.
• This is the American ICD-10-CM version of A02.0 - other international versions of ICD-10 A02.0 may differ.

• Salmonella gastroenteritis

• Poisoning caused by ingestion of food harboring species of salmonella. Conditions of raising, shipping, slaughtering, and marketing of domestic animals contribute to the spread of this bacterium in the food supply.
• Poisoning caused by ingestion of food harboring species of salmonella; conditions of raising, shipping, slaughtering, and marketing of domestic animals contribute to the spread of this bacterium in the food supply.

• 371 Major gastrointestinal disorders and peritoneal infections with mcc
• 372 Major gastrointestinal disorders and peritoneal infections with cc
• 373 Major gastrointestinal disorders and peritoneal infections without cc/mcc

Convert A02.0 to ICD-9-CM

• 2016 (effective 10/1/2015): New code (first year of non-draft ICD-10-CM)
• 2017 (effective 10/1/2016): No change
• 2018 (effective 10/1/2017): No change
• 2019 (effective 10/1/2018): No change
• 2020 (effective 10/1/2019): No change

• Dysentery, dysenteric (catarrhal) (diarrhea) (epidemic) (hemorrhagic) (infectious) (sporadic) (tropical) A09
  ICD-10-CM Diagnosis Code A09

  Infectious gastroenteritis and colitis, unspecified

  2016 2017 2018 2019 2020 Billable/Specific Code

  Applicable To

  • Infectious colitis NOS
  • Infectious enteritis NOS
  • Infectious gastroenteritis NOS

  Type 1 Excludes

  • colitis NOS (K52.9)
  • diarrhea NOS (R19.7)
  • enteritis NOS (K52.9)
  • gastroenteritis NOS (K52.9)
  • noninfective gastroenteritis and colitis, unspecified (K52.9)
  • Salmonella A02.0
• Enteritis (acute) (diarrheal) (hemorrhagic) (noninfective) K52.9
  ICD-10-CM Diagnosis Code K52.9

  Noninfective gastroenteritis and colitis, unspecified

  2016 2017 2018 2019 2020 Billable/Specific Code

  Applicable To

  • Colitis NOS
  • Enteritis NOS
  • Gastroenteritis NOS
  • Ileitis NOS
  • Jejunitis NOS
  • Sigmoiditis NOS

  Type 1 Excludes

  • diarrhea NOS (R19.7)
  • functional diarrhea (K59.1)
  • infectious gastroenteritis and colitis NOS (A09)
  • neonatal diarrhea (noninfective) (P78.3)
  • psychogenic diarrhea (F45.8)
  • infectious NOS A09
    ICD-10-CM Diagnosis Code A09

    Infectious gastroenteritis and colitis, unspecified

    2016 2017 2018 2019 2020 Billable/Specific Code

    Applicable To

    • Infectious colitis NOS
    • Infectious enteritis NOS
    • Infectious gastroenteritis NOS

    Type 1 Excludes

    • colitis NOS (K52.9)
    • diarrhea NOS (R19.7)
    • enteritis NOS (K52.9)
    • gastroenteritis NOS (K52.9)
    • noninfective gastroenteritis and colitis, unspecified (K52.9)
    • due to
      • Arizona A02.0 (bacillus)
  • aertrycke infection A02.0
  • Salmonella, salmonellosis A02.0 (arizonae) (cholerae-suis) (enteritidis) (typhimurium)
• Gastroenteritis (acute) (chronic) (noninfectious) K52.9
  - see also Enteritis
  ICD-10-CM Diagnosis Code K52.9

  Noninfective gastroenteritis and colitis, unspecified

  2016 2017 2018 2019 2020 Billable/Specific Code

  Applicable To

  • Colitis NOS
  • Enteritis NOS
  • Gastroenteritis NOS
  • Ileitis NOS
  • Jejunitis NOS
  • Sigmoiditis NOS

  Type 1 Excludes

  • diarrhea NOS (R19.7)
  • functional diarrhea (K59.1)
  • infectious gastroenteritis and colitis NOS (A09)
  • neonatal diarrhea (noninfective) (P78.3)
  • psychogenic diarrhea (F45.8)
  • Salmonella A02.0
• Infection, infected, infective (opportunistic) B99.9
  ICD-10-CM Diagnosis Code B99.9

  Unspecified infectious disease

  2016 2017 2018 2019 2020 Billable/Specific Code
  • Salmonella (aertrycke) (arizonae) (callinarum) (cholerae-suis) (enteritidis) (suipestifer) (typhimurium) A02.9
    ICD-10-CM Diagnosis Code A02.9

    Salmonella infection, unspecified

    2016 2017 2018 2019 2020 Billable/Specific Code
    • with
      • (gastro) A02.0 (gastro)
• Intoxication
  • foodborne A05.9
    ICD-10-CM Diagnosis Code A05.9

    Bacterial foodborne intoxication, unspecified

    2016 2017 2018 2019 2020 Billable/Specific Code
    • due to
      • Salmonella A02.9
        ICD-10-CM Diagnosis Code A02.9

        Salmonella infection, unspecified

        2016 2017 2018 2019 2020 Billable/Specific Code
        • with
          • (gastro) A02.0 (gastro)
• Poisoning (acute) - see also Table of Drugs and Chemicals
  • food NEC A05.9
    ICD-10-CM Diagnosis Code A05.9

    Bacterial foodborne intoxication, unspecified

    2016 2017 2018 2019 2020 Billable/Specific Code
    • due to
      • salmonella (aertrycke) (callinarum) (choleraesuis) (enteritidis) (paratyphi) (suipestifer) A02.9
        ICD-10-CM Diagnosis Code A02.9

        Salmonella infection, unspecified

        2016 2017 2018 2019 2020 Billable/Specific Code
        • with
          • gastroenteritis A02.0
• Salmonellosis A02.0

Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.