T78.11 — Other adverse food reactions due to milk and dairy products
T78.11 is a non-billable header ICD-10-CM code for other adverse food reactions due to milk and dairy products. It cannot be billed on its own: choose one of the more specific child codes below. This code also requires a 7th character before it is complete.
This code requires a 7th character
The appropriate 7th character is to be added to each code from category T78
- A
- initial encounter
- D
- subsequent encounter
- S
- sequela
Other codes that can never be billed with T78.11
These codes carry an Excludes1 note pointing at T78.11. The conflict binds both ways, but ICD-10-CM only writes it down on one side — so you would not find this by reading T78.11 alone.
- T78.110Other adverse food reactions due to milk and dairy products with tolerance to baked milk
- T78.110AOther adverse food reactions due to milk and dairy products with tolerance to baked milk, initial encounter
- T78.110DOther adverse food reactions due to milk and dairy products with tolerance to baked milk, subsequent encounter
- T78.110SOther adverse food reactions due to milk and dairy products with tolerance to baked milk, sequela
- T78.111Other adverse food reaction due to milk and dairy products with reactivity to baked milk
- T78.111AOther adverse food reaction due to milk and dairy products with reactivity to baked milk, initial encounter
- T78.111DOther adverse food reaction due to milk and dairy products with reactivity to baked milk, subsequent encounter
- T78.111SOther adverse food reaction due to milk and dairy products with reactivity to baked milk, sequela
Risk adjustment
T78.11 does not map to an HCC and does not risk-adjust under CMS-HCC V28. That is normal — most ICD-10 codes do not. It still needs to be coded correctly; it just will not move a RAF score.
Code to one of these instead T78.11
3 child codes. Green means billable.
- T78.110Other adverse food reactions due to milk and dairy products with tolerance to baked milk
- T78.111Other adverse food reaction due to milk and dairy products with reactivity to baked milk
- T78.119Other adverse food reaction due to milk and dairy products with baked milk tolerance/reactivity, unspecified
Related codes at this level
Codes that share T78.1. If T78.11 is not quite right, the correct code is usually one of these.
Questions about T78.11
- Is T78.11 a billable ICD-10-CM code?
- No. T78.11 is a non-billable header code. Code to a higher level of specificity using one of its child codes.
- Where does T78.11 sit in the tabular list?
- Injury, poisoning and certain other consequences of external causes (S00-T88), in the block Other and unspecified effects of external causes (T66-T78).