Z91.012
Non-Billable
ChapterZ00–Z99
Ranksubcategory
Official Description
Allergy to eggs
Metadata & Insights
- •2026 ICD-10-CM Edition - Effective October 1, 2025.
- •Non-billable category (requires more specific sub-code).
- •Chapter 21: Factors Influencing Health Status and Contact with Health Services (Z00-Z99).
General instructions are available for the parent sections:
Clinical Hierarchy
CH21Factors influencing health status and contact with health services (Z00-Z99)
Z77-Z99Persons with potential health hazards related to family and personal history and certain conditions influencing health status (Z77-Z99)
Z91Personal risk factors, not elsewhere classified
Z91.0Allergy status, other than to drugs and biological substances
Z91.01Food allergy status
Z91.012Allergy to eggs
Z91.0120Allergy to eggs, unspecified
Z91.0121Allergy to eggs with tolerance to baked egg
Z91.0122Allergy to eggs with reactivity to baked egg
Applicable Ancestor Context
The following parent sections contain instructions or notes that apply to Z91.012:
subcategoryZ91.0
Allergy status, other than to drugs and biological substances
View context instructionsblockZ77-Z99
Persons with potential health hazards related to family and personal history and certain conditions influencing health status (Z77-Z99)
View context instructionsAlphabetic Index Mentions
These are Diagnosis Index lookup paths that route to Z91.012. Use them as entry terms for search, then confirm final coding instructions in the Tabular List and notes above.
6 raw paths
Allergy, allergic (reaction) (to)3 unique routes
food (any) (ingested) NEC(3 variants)
status (without reaction)(3 variants)
with(2 variants)
History3 unique routes
personal (of)(3 variants)
allergy (to)(3 variants)
food(3 variants)
with(2 variants)
MS-DRG Classification
No direct MS-DRG triggers identified.
Cross Reference
Find Procedures (ICD-10-PCS)
Find surgical and procedural codes related to Allergy to eggs.
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