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T78 Adverse effects, not elsewhere classified
BackT78.0Anaphylactic reaction due to foodCategory10 →T78.00Anaphylactic reaction due to unspecified foodCategoryT78.01Anaphylactic reaction due to peanutsCategoryT78.02Anaphylactic reaction due to shellfish (crustaceans)CategoryT78.03Anaphylactic reaction due to other fishCategoryT78.04Anaphylactic reaction due to fruits and vegetablesCategoryT78.05Anaphylactic reaction due to tree nuts and seedsCategoryT78.06Anaphylactic reaction due to food additivesCategoryT78.07Anaphylactic reaction due to milk and dairy productsCategory3 →T78.070Anaphylactic reaction due to milk and dairy products with tolerance to baked milkCategoryT78.071Anaphylactic reaction due to milk and dairy products with reactivity to baked milkCategoryT78.079Anaphylactic reaction due to milk and dairy products, unspecifiedCategoryT78.08Anaphylactic reaction due to eggsCategory3 →T78.080Anaphylactic reaction due to egg with tolerance to baked eggCategoryT78.081Anaphylactic reaction due to egg with reactivity to baked eggCategoryT78.089Anaphylactic reaction due to eggs, unspecifiedCategoryT78.09Anaphylactic reaction due to other food productsCategoryT78.1Other adverse food reactions, not elsewhere classifiedCategory3 →T78.11Other adverse food reactions due to milk and dairy productsCategory3 →T78.110Other adverse food reactions due to milk and dairy products with tolerance to baked milkCategoryT78.111Other adverse food reaction due to milk and dairy products with reactivity to baked milkCategoryT78.119Other adverse food reaction due to milk and dairy products with baked milk tolerance/reactivity, unspecifiedCategoryT78.12Other adverse food reaction due to eggsCategory3 →T78.120Other adverse food reaction due to egg with tolerance to baked eggCategoryT78.121Other adverse food reaction due to egg with reactivity to baked eggCategoryT78.129Other adverse food reaction due to egg with baked egg tolerance/reactivity, unspecifiedCategoryT78.19Other adverse food reactions, not elsewhere classifiedCategoryT78.2Anaphylactic shock, unspecifiedCategoryT78.3Angioneurotic edemaCategoryT78.4Other and unspecified allergyCategory3 →T78.40Allergy, unspecifiedCategoryT78.41Arthus phenomenonCategoryT78.49Other allergyCategoryT78.8Other adverse effects, not elsewhere classifiedCategory
Category
T78
Adverse effects, not elsewhere classified
EXCLUDES
Excludes2: complications of surgical and medical care NEC (T80-T88)
NOTE
7th character: The appropriate 7th character is to be added to each code from category T78
7th character definitions: initial encounter
subsequent encounter
sequela
7th character definitions: initial encounter
subsequent encounter
sequela
- Chapter
- XIX · Injury, poisoning and certain other consequences of external causes
- Section
- T66-T78
- Valid from
Source
CMS ICD-10-CM Tabular List, edition FY2026.