T78.1
Non-billableOther adverse food reactions, not elsewhere classified
Other adverse food reactions, not elsewhere classified
This is a header/category code. For billing purposes, use a more specific child code from the list below.
Coding Notes
Excludes 1
Codes that cannot be used together with this code (mutual exclusion)
Excludes 2
Conditions not included here, but the patient may have both
- •complications of surgical and medical care NECT80-T88
- •allergic and dietetic gastroenteritis and colitisK52.29
- •allergic rhinitis due to foodJ30.5
- •dermatitis due to food in contact with skin, ,L23.6, L24.6, L25.4
- •dermatitis due to ingested foodL27.2
- •food protein-induced enterocolitis syndromeK52.21
- •food protein-induced enteropathyK52.22
Use Additional Code
Additional codes that should follow this code
- •code to identify any retained foreign body, if applicableZ18
- code to identify the type of reaction, if applicable
Child Codes (3)
Related Codes(5)
ICD-11 Equivalents(1)
ICD-11 Equivalents
View full mappingCorresponding ICD-11 codes from the WHO crosswalk mapping
Also Known As / Clinical Terms(1)
Frequently Asked Questions
What is the ICD-10 code for other adverse food reactions, not elsewhere classified?
The ICD-10-CM code for other adverse food reactions, not elsewhere classified is T78.1. The full clinical description is "Other adverse food reactions, not elsewhere classified". T78.1 is a non-billable header code. Use a more specific child code for billing purposes.
What does ICD-10 code T78.1 mean?
ICD-10-CM code T78.1 represents “Other adverse food reactions, not elsewhere classified”. It is classified under Chapter 19: Injury, Poisoning and Certain Other Consequences of External Causes and is a non-billable header code. Use a more specific child code for billing purposes.
Is T78.1 a billable code?
No, T78.1 is a non-billable header code. You need to use one of its more specific child codes for billing. There are 3 child codes under T78.1.
What chapter is T78.1 in?
T78.1 is in Chapter 19: Injury, Poisoning and Certain Other Consequences of External Causes (codes S00-T88).
What codes cannot be used with T78.1?
T78.1 has Excludes1 notes indicating codes that cannot be used together with it, including: birth trauma (P10-P15); obstetric trauma (O70-O71); anaphylactic reaction or shock due to adverse food reaction (T78.0-); and 2 more.
What are the subcategories under T78.1?
T78.1 has 3 child codes, including: T78.1XXA (Oth adverse food reactions, not elsewhere classified, init), T78.1XXD (Oth adverse food reactions, not elsewhere classified, subs), T78.1XXS (Oth adverse food reactions, NEC, sequela).
Are additional codes required with T78.1?
Yes, when using T78.1, also report: any retained foreign body, if applicable (Z18.-); the type of reaction, if applicable.
What are the UMLS CUIs for T78.1?
T78.1 is linked to 1 UMLS Concept Unique Identifier: C0869098. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
How does T78.1 relate to ICF functioning codes?
ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like other adverse food reactions, not elsewhere classified affect a person's functioning: body functions, activities, participation, and environmental factors. AutoICD provides ICF Core Sets for 12+ conditions and can map clinical text to ICF categories automatically. Browse the ICF directory to explore functioning codes.
What is the ICD-11 equivalent of T78.1?
T78.1 maps to the ICD-11 code: 4A85.2Z (Food hypersensitivity, unspecified).
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Includes SNOMED Clinical Terms® (SNOMED CT®) used by permission of SNOMED International. Includes content from the UMLS Metathesaurus, courtesy of the U.S. National Library of Medicine.