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ICD-10-CM Codes
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S00-T88
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T66-T78
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T78-
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2023 ICD-10-CM Diagnosis Code T78.1
2023 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
- T78.1 should not be used for reimbursement purposes as there are multiple codes below it that contain a greater level of detail.
- The 2023 edition of ICD-10-CM T78.1 became effective on October 1, 2022.
- This is the American ICD-10-CM version of T78.1 - other international versions of ICD-10 T78.1 may differ.
Use AdditionalUse Additional Help
Certain conditions have both an underlying etiology and multiple body system manifestations due to the underlying etiology. For such conditions the ICD-10-CM has a coding convention that requires the underlying condition be sequenced first followed by the manifestation. Wherever such a combination exists there is a "use additional code" note at the etiology code, and a "code first" note at the manifestation code. These instructional notes indicate the proper sequencing order of the codes, etiology followed by manifestation. In most cases the manifestation codes will have in the code title, "in diseases classified elsewhere." Codes with this title are a component of the etiology/manifestation convention. The code title indicates that it is a manifestation code. "In diseases classified elsewhere" codes are never permitted to be used as first listed or principle diagnosis codes. They must be used in conjunction with an underlying condition code and they must be listed following the underlying condition.
- code to identify the type of reaction, if applicable
Type 1 ExcludesType 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 T78.1. 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.
- anaphylactic reaction or shock due to adverse food reaction (
ICD-10-CM Diagnosis Code T78.0
Anaphylactic reaction due to food
2016 2017 2018 2019 2020 2021 2022 2023 Non-Billable/Non-Specific Code
Applicable To- Anaphylactic reaction due to adverse food reaction
- Anaphylactic shock or reaction due to nonpoisonous foods
- Anaphylactoid reaction due to food
T78.0-) - anaphylactic reaction due to food (
ICD-10-CM Diagnosis Code T78.0
Anaphylactic reaction due to food
2016 2017 2018 2019 2020 2021 2022 2023 Non-Billable/Non-Specific Code
Applicable To- Anaphylactic reaction due to adverse food reaction
- Anaphylactic shock or reaction due to nonpoisonous foods
- Anaphylactoid reaction due to food
T78.0-) - bacterial food borne intoxications (
ICD-10-CM Diagnosis Code A05
- A05 Other bacterial foodborne intoxications, not ...
- A05.0 Foodborne staphylococcal intoxication
- A05.1 Botulism food poisoning
- A05.2 Foodborne Clostridium perfringens [Clostridiu...
- A05.3 Foodborne Vibrio parahaemolyticus intoxicatio...
- A05.4 Foodborne Bacillus cereus intoxication
- A05.5 Foodborne Vibrio vulnificus intoxication
- A05.8 Other specified bacterial foodborne intoxicat...
- A05.9 Bacterial foodborne intoxication, unspecified...
A05.-)
Type 2 ExcludesType 2 Excludes Help
A type 2 excludes note represents "not included here". A type 2 excludes note indicates that the condition excluded is not part of the condition it is excluded from but a patient may have both conditions at the same time. When a type 2 excludes note appears under a code it is acceptable to use both the code (T78.1) and the excluded code together.
- allergic and dietetic gastroenteritis and colitis (
ICD-10-CM Diagnosis Code K52.29
Other allergic and dietetic gastroenteritis and colitis
2017 - New Code 2018 2019 2020 2021 2022 2023 Billable/Specific Code
Applicable To- Allergic proctocolitis
- Food hypersensitivity gastroenteritis or colitis
- Food-induced eosinophilic proctocolitis
- Food protein-induced proctocolitis
- Immediate gastrointestinal hypersensitivity
- Milk protein-induced proctocolitis
K52.29) - allergic rhinitis due to food (
ICD-10-CM Diagnosis Code J30.5
Allergic rhinitis due to food
2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code
J30.5) - dermatitis due to food in contact with skin (
ICD-10-CM Diagnosis Code L23.6
Allergic contact dermatitis due to food in contact with the skin
2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code
Type 2 Excludes- dermatitis due to ingested food (L27.2)
L23.6, ICD-10-CM Diagnosis Code L24.6
Irritant contact dermatitis due to food in contact with skin
2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code
Type 2 Excludes- dermatitis due to ingested food (L27.2)
L24.6, ICD-10-CM Diagnosis Code L25.4
Unspecified contact dermatitis due to food in contact with skin
2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code
Type 2 Excludes- dermatitis due to ingested food (L27.2)
L25.4) - dermatitis due to ingested food (
ICD-10-CM Diagnosis Code L27.2
Dermatitis due to ingested food
2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code
L27.2) - food protein-induced enterocolitis syndrome (
ICD-10-CM Diagnosis Code K52.21
Food protein-induced enterocolitis syndrome
2017 - New Code 2018 2019 2020 2021 2022 2023 Billable/Specific Code
Use Additional- code for hypovolemic shock, if present (R57.1)
K52.21) - food protein-induced enteropathy (
ICD-10-CM Diagnosis Code K52.22
Food protein-induced enteropathy
2017 - New Code 2018 2019 2020 2021 2022 2023 Billable/Specific Code
K52.22)
The following code(s) above
T78.1 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
T78.1:
Approximate Synonyms
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 T78.1:
- Allergy, allergic (reaction) (to) T78.40
ICD-10-CM Diagnosis Code T78.40
Allergy, unspecified
2016 2017 2018 2019 2020 2021 2022 2023 Non-Billable/Non-Specific Code
Applicable To- Allergic reaction NOS
- Hypersensitivity NOS
- food (any) (ingested) T78.1
- gastrointestinal - see also specific type of allergic reaction
- meaning other adverse food reaction not elsewhere classified T78.1
- Effect, adverse
- Reaction - see also Disorder
- Syndrome - see also Disease
ICD-10-CM Codes Adjacent To T78.1
T78.08 Anaphylactic reaction due to eggs
T78.09 Anaphylactic reaction due to other food products
T78.1
Other adverse food reactions, not elsewhere classified
T78.2 Anaphylactic shock, unspecified
T78.3 Angioneurotic edema
Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.