Is Z91.01 a billable code?
No. Z91.01 is a header code that groups 10 more specific codes. Use one of the billable codes listed on this page instead.
ICD-10-CM FY2027 diagnosis code
Z91.01: Food allergy status
Header code: not billableValid for dates of service October 1, 2026 to September 30, 2027
Z91.01 groups related diagnoses under food allergy status. It cannot be used on a claim by itself. Choose the billable code below that matches the patient's record.
Billable codes under Z91.01
- Z91.010Allergy to peanuts
- Z91.0110Allergy to milk products, unspecified
- Z91.0111Allergy to milk products with tolerance to baked milk
- Z91.0112Allergy to milk products with reactivity to baked milk
- Z91.0120Allergy to eggs, unspecified
- Z91.0121Allergy to eggs with tolerance to baked egg
- Z91.0122Allergy to eggs with reactivity to baked egg
- Z91.013Allergy to seafood
- Z91.014Allergy to mammalian meats
- Z91.018Allergy to other foods
Other codes in Z91.0 Allergy status, other than to drugs and biological substances
Z91.01 questions
What does Z91.01 mean?
Z91.01 is the ICD-10-CM code for Food allergy status. It is in chapter 22, Factors influencing health status and contact with health services (Z00-Z99).
Code titles come from the official ICD-10-CM files published by the CDC National Center for Health Statistics. Always check payer rules and the clinical record before billing.