T78.08 — Anaphylactic reaction due to eggs
T78.08 is a non-billable header ICD-10-CM code for anaphylactic reaction due to eggs. 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 T78.08
These codes carry an Excludes1 note pointing at T78.08. The conflict binds both ways, but ICD-10-CM only writes it down on one side — so you would not find this by reading T78.08 alone.
- T78.080Anaphylactic reaction due to egg with tolerance to baked egg
- T78.080AAnaphylactic reaction due to egg with tolerance to baked egg, initial encounter
- T78.080DAnaphylactic reaction due to egg with tolerance to baked egg, subsequent encounter
- T78.080SAnaphylactic reaction due to egg with tolerance to baked egg, sequela
- T78.081Anaphylactic reaction due to egg with reactivity to baked egg
- T78.081AAnaphylactic reaction due to egg with reactivity to baked egg, initial encounter
- T78.081DAnaphylactic reaction due to egg with reactivity to baked egg, subsequent encounter
- T78.081SAnaphylactic reaction due to egg with reactivity to baked egg, sequela
Risk adjustment
T78.08 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 T78.08
3 child codes. Green means billable.
Related codes at this level
Codes that share T78.0. If T78.08 is not quite right, the correct code is usually one of these.
- T78.00Anaphylactic reaction due to unspecified food
- T78.01Anaphylactic reaction due to peanuts
- T78.02Anaphylactic reaction due to shellfish (crustaceans)
- T78.03Anaphylactic reaction due to other fish
- T78.04Anaphylactic reaction due to fruits and vegetables
- T78.05Anaphylactic reaction due to tree nuts and seeds
- T78.06Anaphylactic reaction due to food additives
- T78.07Anaphylactic reaction due to milk and dairy products
- T78.09Anaphylactic reaction due to other food products
Questions about T78.08
- Is T78.08 a billable ICD-10-CM code?
- No. T78.08 is a non-billable header code. Code to a higher level of specificity using one of its child codes.
- Where does T78.08 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).