T78.07 – Anaphylactic reaction due to milk and dairy products
ICD-10-CM 2027 diagnosis code · Other and unspecified effects of external causes
- Code
T78.07(claims format:T7807)- Description
- Anaphylactic reaction due to milk and dairy products
- Billable
- No – use a more specific code below
- Valid for
- Dates of service October 1, 2026 – September 30, 2027 (FY2027)
- Chapter
- 19. Injury, poisoning and certain other consequences of external causes (S00-T88)
- Block
- T66-T78 Other and unspecified effects of external causes
- Parent codes
- T78 › T78.0
Billable codes under T78.07
T78.07 is a header code and cannot be used on claims. Choose the most specific code:
- T78.070 – Anaphylactic reaction due to milk and dairy products with tolerance to baked milkHeader (more codes below)
- T78.071 – Anaphylactic reaction due to milk and dairy products with reactivity to baked milkHeader (more codes below)
- T78.079 – Anaphylactic reaction due to milk and dairy products, unspecifiedHeader (more codes below)
7th character values
Codes in this category need a 7th character to describe the encounter or episode of care (use placeholder X for empty positions).
| Character | Meaning |
|---|---|
A | initial encounter |
D | subsequent encounter |
S | sequela |
Notes inherited from parent codes
Instructional notes at a category or block level apply to every code below it.
T78 – Adverse effects, not elsewhere classified
- The appropriate 7th character is to be added to each code from category T78
T78.0 – Anaphylactic reaction due to food
- Anaphylactic reaction due to adverse food reaction
- Anaphylactic shock or reaction due to nonpoisonous foods
- Anaphylactoid reaction due to food
Block T66-T78
- , if applicable, place of occurrence, such as:
- highway rest stop (Y92.523)
- school (private) (public) (state) as the place of occurrence of the external cause (Y92.21-)
- service areas as the place of occurrence of the external cause (Y92.52-)
- single-family non-institutional (private) house as the place of occurrence of the external cause (Y92.01-)
- transport vehicle as the place of occurrence of the external cause (Y92.81-)
Related codes in T78.0
- T78.00 – Anaphylactic reaction due to unspecified foodHeader
- T78.01 – Anaphylactic reaction due to peanutsHeader
- T78.02 – Anaphylactic reaction due to shellfish (crustaceans)Header
- T78.03 – Anaphylactic reaction due to other fishHeader
- T78.04 – Anaphylactic reaction due to fruits and vegetablesHeader
- T78.05 – Anaphylactic reaction due to tree nuts and seedsHeader
- T78.06 – Anaphylactic reaction due to food additivesHeader
- T78.08 – Anaphylactic reaction due to eggsHeader
- T78.09 – Anaphylactic reaction due to other food productsHeader
Frequently asked questions
What is ICD-10 code T78.07?
T78.07 is the ICD-10-CM code for anaphylactic reaction due to milk and dairy products, in the block T66-T78 (Other and unspecified effects of external causes).
Is T78.07 a billable code?
No. T78.07 is a header code with more specific child codes; report one of the billable codes listed above.
What category does T78.07 belong to?
It belongs to category T78 – Adverse effects, not elsewhere classified.
Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.