ICD-10-CM T78.1: Other adverse food reactions, not elsewhere classified

ICD-10-CM Diagnosis Code (2025)

Official Description for T78.1

Other adverse food reactions, not elsewhere classified

Coding Notes & Guidelines for T78.1

Excludes1: Not Coded Here
  • anaphylactic reaction or shock due to adverse food reaction (T78.0-)
  • anaphylactic reaction due to food (T78.0-)
  • bacterial food borne intoxications (A05.-)
Excludes2: Not Included Here
  • 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

code to identify the type of reaction, if applicable

Parent Code (Less Specific):

About ICD-10-CM Code T78.1 (Other adverse food reactions)

ICD-10-CM code T78.1 is a billable or specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. The 2025 edition of ICD-10-CM T78.1 became effective on October 1, 2024.

This page provides detailed information about T78.1 - Other adverse food reactions, not elsewhere classified. It includes common terminology, coding guidelines such as "Includes," "Excludes1," and "Excludes2" notes, and information on required 7th characters. Utilizing this information correctly is essential for accurate medical coding and claims submission for conditions like Other adverse food reactions related to not elsewhere classified.