Z91.0122

Billable

Allergy to eggs with reactivity to baked egg

Z91.0122 is the ICD-10-CM code for Allergy to eggs with reactivity to baked egg. It is a billable, specific code valid for reimbursement.

Status
Billable
Chapter
Z00-Z99
Parent
Z91.012
Edition
FY2026

Z00-Z99 Factors influencing health status and contact with health services

What this means — in plain language

MedlinePlus · NIH

What is a food allergy? A food allergy is an abnormal immune system reaction to certain foods. Your immune system normally protects you from germs. But if you have a food allergy, your immune system mistakenly reacts to certain foods as if they were harmful. This reaction is usually mild. But in some cases, it can be serious or even life-threatening. A food intolerance is different than a food allergy. If you have a…

Read more about Food Allergy at MedlinePlus ↗

Source: U.S. National Library of Medicine (MedlinePlus). Informational only — not medical advice.

Excludes1 — not coded here

  • Allergy to egg with tolerance to baked egg (Z91.0121)

Frequently asked questions

What is ICD-10 code Z91.0122?
Z91.0122 is the ICD-10-CM code for "Allergy to eggs with reactivity to baked egg". It falls under Z00-Z99 Factors influencing health status and contact with health services.
Is Z91.0122 a billable code?
Yes — Z91.0122 is a billable, specific ICD-10-CM code valid for reimbursement.
What is excluded from Z91.0122?
Excludes1 (not coded here): Allergy to egg with tolerance to baked egg (Z91.0121).

Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.

Look up another ICD-10 code or condition

Powered by Eleplan

Free ICD-10 lookup is just the start. Eleplan keeps the whole care plan in one place.

Diagnoses, medications, documents, appointments, and the whole care team — organized and always in sync, with Ellie, your AI care assistant, on top of it. Free to start.