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Z91.012 Non-Billable Code

Allergy to eggs

Effective From: 10/01/2016
Effective To: 09/30/2025
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This Code Has Been Retired

Code Z91.012 is no longer valid for claims submission as of 09/30/2025.

Chapter Classification

Chapter 21 Factors influencing health status and contact with health services (Z00-Z99)

Section Detail

Z77-Z99 Persons with potential health hazards related to family and personal history and certain conditions influencing health status (Z77-Z99)

Code Hierarchy

This code is a child of Z91.01.

As a non-billable code, it requires more specific digits to be used on a medical claim.

More Specific Diagnosis Codes

This code is not billable as it requires a higher level of specificity. Select a more specific code below.

  • Z91.0120 - Allergy to eggs, unspecified Billable
  • Z91.0121 - Allergy to eggs with tolerance to baked egg Billable
  • Z91.0122 - Allergy to eggs with reactivity to baked egg Billable

OPPS Editing Flags

External Cause No
Mental Health No
Manifestation (Edit 89) No
Code First Applicable ?This code represents a manifestation of an underlying disease. The underlying condition must be coded first as the principal diagnosis. No
Unacceptable PDX (Edit 113) Yes
PDX Exclusion Logic
  • OPPS Required: Yes
  • Bill Type Override: No

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