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2. ICD-10 Codes
3. Chapter - Z00-Z99
4. Section - Z77-Z99
5. Category - Z91
6. Z91.011

Z91.011 - Allergy to milk products

• Applicable to Allergy to milk products
• The 2025 edition of ICD10-CM Z91.011 became effective on October 1, 2024.
• This is the American ICD10-CM version of Z91.011 - other international versions of ICD10 Z91.011 may differ.
• Z91.011 is a Non-Billable / Non-Specific ICD10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
• Z91.011 Code should not be used for billing or reimbursement purposes as there are multiple ICD-10 CM codes below it that contain a greater level of detail.

Type 1 Excludes

• lactose intolerance (E73.-)

The following codes above Z91.011 contain annotation back-references that may be applicable to Z91.011:

• Chapter: Z00-Z99 - Factors influencing health status and contact with health services
• Section: Z77-Z99 - Persons with potential health hazards related to family and personal history and certain conditions influencing health status
• Category: Z91 - Personal risk factors, not elsewhere classified

Browse other similar CM codes:

Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.