Z91.0120 ICD-10-CM Code: Allergy to eggs, unspecified
A clear reference for the official code description, hierarchy, and related coding information from the FY 2027 U.S. release.
Code definition
Official description
Z91.0120Allergy to eggs, unspecified
ICD-10-CM diagnosis code · United States clinical modification
Classification
Where Z91.0120 sits
- 1
Chapter 21
Factors influencing health status and contact with health services (Z00-Z99)
- 2
Section
Persons with potential health hazards related to family and personal history and certain conditions influencing health status (Z77-Z99)
- 3
Category Z91
Personal risk factors, not elsewhere classified
- 4
Subcategory Z91.012
Allergy to eggs
- 5
Code Z91.0120
Allergy to eggs, unspecified
Documentation details
Notes for this code
Inclusion terms
No inclusion terms are listed for Z91.0120.
Code first
No “code first” instruction is listed for Z91.0120.
Use additional code
No “use additional code” instruction is listed for Z91.0120.
Excludes1
Conditions that should not be reported together with this code.
No Excludes1 note is listed for Z91.0120.
Excludes2
Conditions not included here that may be reported separately when present.
No Excludes2 note is listed for Z91.0120.
Transparency
Source and release
This reference is generated from Vero’s ICD-10-CM description, hierarchy, and code-note dataset. The visible content and structured data share that source.
Review the CDC/NCHS ICD-10-CM sourceCode-specific guidance
Frequently asked questions
What does ICD-10-CM code Z91.0120 mean?
Z91.0120 is the FY 2027 U.S. ICD-10-CM code for “Allergy to eggs, unspecified.”
Is Z91.0120 a billable or specific ICD-10-CM code?
Yes. In the FY 2027 reference data used on this page, Z91.0120 has no child codes and is presented as a billable/specific code. Always confirm the active code set and payer requirements before use.
Where is Z91.0120 located in ICD-10-CM?
Z91.0120 is listed in Chapter 21, Factors influencing health status and contact with health services (Z00-Z99), within Persons with potential health hazards related to family and personal history and certain conditions influencing health status (Z77-Z99) (Z77–Z99), under category Z91, Personal risk factors, not elsewhere classified and subcategory Z91.012, Allergy to eggs.
What coding notes are listed for Z91.0120?
No inclusion terms are listed for Z91.0120 in this reference record. No code-first instruction is listed. No Excludes1 note is listed. No Excludes2 note is listed.
Keep exploring
Related Z91.012 codes
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