Billable / Specific Code
ICD-10-CM Z91.0110 is the diagnosis code for Allergy to milk products, unspecified. This code falls under the section "Persons with potential health hazards related to family and personal history and certain conditions influencing health status" within Chapter 21 — Factors influencing health status and contact with health services (Z00-Z99). It is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. Medical coders and healthcare providers use this code to document and classify diagnoses in electronic health records, insurance claims, and clinical databases.
Always refer to the official ICD-10-CM Tabular List for complete coding guidelines. Ensure documentation supports the specificity of the code selected. When in doubt, consult a certified medical coder or the latest CMS guidelines.
Understanding where Z91.0110 sits in the ICD-10-CM classification helps ensure proper coding:
Yes, Z91.0110 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
Z91.0110 is the ICD-10-CM diagnosis code for "Allergy to milk products, unspecified". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.
The parent code of Z91.0110 is Z91.011 ("Allergy to milk products"). Z91.0110 provides a more specific classification within this category.
Z91.0110 is located in Section Z77-Z99 — "Persons with potential health hazards related to family and personal history and certain conditions influencing health status" within Chapter 21 of the ICD-10-CM Tabular List.
Z91.0110 has 1918 sub-code(s) that provide more specific detail: A00, A01, A02, A03, A04 and more.
Use Z91.0110 when the patients documented diagnosis matches "Allergy to milk products, unspecified" and the clinical documentation supports this level of specificity. Always verify with the latest ICD-10-CM guidelines and payer requirements.
The ICD-10-CM code for Allergy to milk products, unspecified is Z91.0110.
Yes, Z91.0110 can be used as a primary diagnosis code since it is billable and specific.
Z91.0110 is in Chapter 21 of the ICD-10-CM Tabular List.
Yes, Z91.0110 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.