T78.121
Billable codeOther adverse food reaction due to egg with reactivity to baked egg
The ICD-10 code for other adverse food reaction due to egg with reactivity to baked egg is T78.121.
Clinical notes
Excludes1 (not coded here)
An Excludes1 note is a pure exclusion: the excluded condition and this code should never be reported together, because the two conditions cannot occur at the same time (e.g. a congenital form vs. an acquired form of the same disease).
- Other adverse food reaction due to egg with tolerance to baked egg (T78.120)
Documentation support
General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.
- •Confirm the excluded condition(s) listed above are not also present — Excludes1 conditions cannot be coded together with this one.
- •As a general rule, code to the highest level of specificity supported by the documentation in the medical record.
Related codes in this category
- T78.120Other adverse food reaction due to egg with tolerance to baked egg
- T78.129Other adverse food reaction due to egg with baked egg tolerance/reactivity, unspecified
- T78.121Other adverse food reaction due to egg with reactivity to baked egg