2023

  1. ICD-10-CM Codes
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  2. A00-B99
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  3. A00-A09
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  4. A05-
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  5. 2023 ICD-10-CM Diagnosis Code A05

2023 ICD-10-CM Diagnosis Code A05

Other bacterial foodborne intoxications, not elsewhere classified

    2016 2017 2018 2019 2020 2021 2022 2023 Non-Billable/Non-Specific Code
  • A05 should not be used for reimbursement purposes as there are multiple codes below it that contain a greater level of detail.
  • Short description: Oth bacterial foodborne intoxications, NEC
  • The 2023 edition of ICD-10-CM A05 became effective on October 1, 2022.
  • This is the American ICD-10-CM version of A05 - other international versions of ICD-10 A05 may differ.
Type 1 Excludes
Type 1 Excludes Help
A type 1 excludes note is a pure excludes. It means "not coded here". A type 1 excludes note indicates that the code excluded should never be used at the same time as A05. A type 1 excludes note is for used for when two conditions cannot occur together, such as a congenital form versus an acquired form of the same condition.
  • Clostridium difficile foodborne intoxication and infection (
    ICD-10-CM Diagnosis Code A04.7

    Enterocolitis due to Clostridium difficile

      2016 2017 2018 - Converted to Parent Code 2019 2020 2021 2022 2023 Non-Billable/Non-Specific Code
    Applicable To
    • Foodborne intoxication by Clostridium difficile
    • Pseudomembraneous colitis
    A04.7-
    )
  • Escherichia coli infection (
    ICD-10-CM Diagnosis Code A04.0

    Enteropathogenic Escherichia coli infection

      2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code
    A04.0-
    ICD-10-CM Diagnosis Code A04.4

    Other intestinal Escherichia coli infections

      2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code
    Applicable To
    • Escherichia coli enteritis NOS
    A04.4
    )
  • listeriosis (
    ICD-10-CM Diagnosis Code A32
    • A32 Listeriosis
      • A32.0 Cutaneous listeriosis
      • A32.1 Listerial meningitis and meningoencephalitis
        • A32.11 Listerial meningitis
        • A32.12 Listerial meningoencephalitis
      • A32.7 Listerial sepsis
      • A32.8 Other forms of listeriosis
        • A32.81 Oculoglandular listeriosis
        • A32.82 Listerial endocarditis
        • A32.89 Other forms of listeriosis
      • A32.9 Listeriosis, unspecified
    A32.-
    )
  • salmonella foodborne intoxication and infection (
    ICD-10-CM Diagnosis Code A02
    • A02 Other salmonella infections
      • A02.0 Salmonella enteritis
      • A02.1 Salmonella sepsis
      • A02.2 Localized salmonella infections
        • A02.20 Localized salmonella infection, unspecified
        • A02.21 Salmonella meningitis
        • A02.22 Salmonella pneumonia
        • A02.23 Salmonella arthritis
        • A02.24 Salmonella osteomyelitis
        • A02.25 Salmonella pyelonephritis
        • A02.29 Salmonella with other localized infection
      • A02.8 Other specified salmonella infections
      • A02.9 Salmonella infection, unspecified
    A02.-
    )
  • toxic effect of noxious foodstuffs (
    ICD-10-CM Diagnosis Code T61

    Toxic effect of noxious substances eaten as seafood

      2016 2017 2018 2019 2020 2021 2022 2023 Non-Billable/Non-Specific Code
    Type 1 Excludes
    • allergic reaction to food, such as:
    • anaphylactic reaction or shock due to adverse food reaction (T78.0-)
    • bacterial foodborne intoxications (A05.-)
    • dermatitis (L23.6, L25.4, L27.2)
    • food protein-induced enterocolitis syndrome (K52.21)
    • food protein-induced enteropathy (K52.22)
    • gastroenteritis (noninfective) (K52.29)
    • toxic effect of aflatoxin and other mycotoxins (T64)
    • toxic effect of cyanides (T65.0-)
    • toxic effect of harmful algae bloom (T65.82-)
    • toxic effect of hydrogen cyanide (T57.3-)
    • toxic effect of mercury (T56.1-)
    • toxic effect of red tide (T65.82-)
    T61
    -
    ICD-10-CM Diagnosis Code T62

    Toxic effect of other noxious substances eaten as food

      2016 2017 2018 2019 2020 2021 2022 2023 Non-Billable/Non-Specific Code
    Type 1 Excludes
    • allergic reaction to food, such as:
    • anaphylactic shock (reaction) due to adverse food reaction (T78.0-)
    • bacterial food borne intoxications (A05.-)
    • dermatitis (L23.6, L25.4, L27.2)
    • food protein-induced enterocolitis syndrome (K52.21)
    • food protein-induced enteropathy (K52.22)
    • gastroenteritis (noninfective) (K52.29)
    • toxic effect of aflatoxin and other mycotoxins (T64)
    • toxic effect of cyanides (T65.0-)
    • toxic effect of hydrogen cyanide (T57.3-)
    • toxic effect of mercury (T56.1-)
    T62
    )
The following code(s) above A05 contain annotation back-references
Annotation Back-References
In this context, annotation back-references refer to codes that contain:
  • Applicable To annotations, or
  • Code Also annotations, or
  • Code First annotations, or
  • Excludes1 annotations, or
  • Excludes2 annotations, or
  • Includes annotations, or
  • Note annotations, or
  • Use Additional annotations
that may be applicable to A05:
  • A00-B99
    2023 ICD-10-CM Range A00-B99

    Certain infectious and parasitic diseases

    Includes
    • diseases generally recognized as communicable or transmissible
    Type 1 Excludes
    • certain localized infections - see body system-related chapters
    Type 2 Excludes
    • carrier or suspected carrier of infectious disease (Z22.-)
    • infectious and parasitic diseases complicating pregnancy, childbirth and the puerperium (O98.-)
    • infectious and parasitic diseases specific to the perinatal period (P35-P39)
    • influenza and other acute respiratory infections (J00-J22)
    Use Additional
    • code to identify resistance to antimicrobial drugs (Z16.-)
    Certain infectious and parasitic diseases
Code History
  • 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
  • 2021 (effective 10/1/2020): No change
  • 2022 (effective 10/1/2021): No change
  • 2023 (effective 10/1/2022): No change
Code annotations containing back-references to A05:
  • Type 1 Excludes: A04
    , T78.1
    , T61
    , T62
    ICD-10-CM Diagnosis Code A04

    Other bacterial intestinal infections

      2016 2017 2018 2019 2020 2021 2022 2023 Non-Billable/Non-Specific Code
    Type 1 Excludes
    • bacterial foodborne intoxications, NEC (A05.-)
    • tuberculous enteritis (A18.32)
    ICD-10-CM Diagnosis Code T78.1

    Other adverse food reactions, not elsewhere classified

      2016 2017 2018 2019 2020 2021 2022 2023 Non-Billable/Non-Specific Code
    Type 1 Excludes
    • anaphylactic reaction or shock due to adverse food reaction (T78.0-)
    • anaphylactic reaction due to food (T78.0-)
    • bacterial food borne intoxications (A05.-)
    Type 2 Excludes
    • allergic and dietetic gastroenteritis and colitis (K52.29)
    • allergic rhinitis due to food (J30.5)
    • dermatitis due to food in contact with skin (L23.6, L24.6, L25.4)
    • dermatitis due to ingested food (L27.2)
    • food protein-induced enterocolitis syndrome (K52.21)
    • food protein-induced enteropathy (K52.22)
    Use Additional
    • code to identify the type of reaction, if applicable
    ICD-10-CM Diagnosis Code T61

    Toxic effect of noxious substances eaten as seafood

      2016 2017 2018 2019 2020 2021 2022 2023 Non-Billable/Non-Specific Code
    Type 1 Excludes
    • allergic reaction to food, such as:
    • anaphylactic reaction or shock due to adverse food reaction (T78.0-)
    • bacterial foodborne intoxications (A05.-)
    • dermatitis (L23.6, L25.4, L27.2)
    • food protein-induced enterocolitis syndrome (K52.21)
    • food protein-induced enteropathy (K52.22)
    • gastroenteritis (noninfective) (K52.29)
    • toxic effect of aflatoxin and other mycotoxins (T64)
    • toxic effect of cyanides (T65.0-)
    • toxic effect of harmful algae bloom (T65.82-)
    • toxic effect of hydrogen cyanide (T57.3-)
    • toxic effect of mercury (T56.1-)
    • toxic effect of red tide (T65.82-)
    ICD-10-CM Diagnosis Code T62

    Toxic effect of other noxious substances eaten as food

      2016 2017 2018 2019 2020 2021 2022 2023 Non-Billable/Non-Specific Code
    Type 1 Excludes
    • allergic reaction to food, such as:
    • anaphylactic shock (reaction) due to adverse food reaction (T78.0-)
    • bacterial food borne intoxications (A05.-)
    • dermatitis (L23.6, L25.4, L27.2)
    • food protein-induced enterocolitis syndrome (K52.21)
    • food protein-induced enteropathy (K52.22)
    • gastroenteritis (noninfective) (K52.29)
    • toxic effect of aflatoxin and other mycotoxins (T64)
    • toxic effect of cyanides (T65.0-)
    • toxic effect of hydrogen cyanide (T57.3-)
    • toxic effect of mercury (T56.1-)
ICD-10-CM Codes Adjacent To A05
A04.2 Enteroinvasive Escherichia coli infection
A04.3 Enterohemorrhagic Escherichia coli infection
A04.4 Other intestinal Escherichia coli infections
A04.5 Campylobacter enteritis
A04.6 Enteritis due to Yersinia enterocolitica
A04.7 Enterocolitis due to Clostridium difficile
A04.71 …… recurrent
A04.72 …… not specified as recurrent
A04.8 Other specified bacterial intestinal infections
A04.9 Bacterial intestinal infection, unspecified
A05 Other bacterial foodborne intoxications, not elsewhere classified
A05.0 Foodborne staphylococcal intoxication
A05.1 Botulism food poisoning
A05.2 Foodborne Clostridium perfringens [Clostridium welchii] intoxication
A05.3 Foodborne Vibrio parahaemolyticus intoxication
A05.4 Foodborne Bacillus cereus intoxication
A05.5 Foodborne Vibrio vulnificus intoxication
A05.8 Other specified bacterial foodborne intoxications
A05.9 Bacterial foodborne intoxication, unspecified
A06 Amebiasis
A06.0 Acute amebic dysentery

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

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