Z91.0122
BillableAllergy to eggs with reactivity to baked egg
This code does not map to an HCC category in any model (V28, V24, ESRD, RxHCC).
What This Code Means
A person is allergic to eggs and continues to have allergic reactions even when eggs are baked into foods.
Coding Tips
- •This indicates a heat-stable egg protein allergy requiring strict avoidance
- •Document severity and type of reactions to guide patient safety precautions
Excludes 1 — Do NOT code together
- Allergy to egg with tolerance to baked egg (Z91.0121)