Z91.018 is the authoritative medical code for Allergy to other foods. This classification is used in medical billing and clinical recording to specify the clinical criteria for allergy to other foods (ICD-10-CM Z91.018), ensuring healthcare documentation aligns with 2026 federal coding standards.
Billing Status: YES. This is a valid, specific, and billable ICD-10-CM reference.
Official Registry Overview & Definition
Allergy to other foods is a billable ICD-10-CM diagnosis code Z91.018. Inclusion terms: Allergy to nuts other than peanuts. Excludes2 (not included here): food additives allergy status Z91.02; Allergy status to drugs, medicaments, and biological substances Z88.-; contact with and suspected exposures hazardous to health Z77.-; exposure to pollution and other problems related to physical environment Z77.1-; female genital mutilation status N90.81-; occupational exposure to risk factors Z57.-; personal history of physical injury and trauma (Z87.81, Z87.82-). Code also: any follow-up examination Z08-Z09.
Official Tabular Instructional Notes
Sequencing, inclusion, and exclusion notes published for Z91.018 in the official ICD-10-CM tabular list.
Inclusion Terms
Alternative terms the tabular list files under this code.
- Allergy to nuts other than peanuts
Excludes2 — Not Included Here
Conditions not covered by this code, but which may be reported alongside it when both are present.
- food additives allergy status Z91.02
- Allergy status to drugs, medicaments, and biological substances Z88.-
- contact with and suspected exposures hazardous to health Z77.-
- exposure to pollution and other problems related to physical environment Z77.1-
- female genital mutilation status N90.81-
- occupational exposure to risk factors Z57.-
- personal history of physical injury and trauma (Z87.81, Z87.82-)
Code Also
Additional codes that may be required to fully describe the encounter.
- any follow-up examination Z08-Z09
Frequently Asked Questions (FAQ) & Clinical Guidance
Can Z91.018 be reported alongside related conditions?
Per Excludes2 instructions, Z91.018 and the following may both be reported when both are present: food additives allergy status (Z91.02); Allergy status to drugs, medicaments, and biological substances (Z88.-); contact with and (suspected) exposures hazardous to health (Z77.-); exposure to pollution and other problems related to physical environment (Z77.1-).
What conditions are included under Z91.018?
Allergy to other foods includes: Allergy to nuts other than peanuts.
Codes in This Family (40)
Official ICD-10-CM classifications in the same code family as Z91.018, with their registry titles.
- Z91 — Personal risk factors, not elsewhere classified
- Z91.0 — Allergy status, other than to drugs and biological substances
- Z91.01 — Food allergy status
- Z91.010 — Allergy to peanuts
- Z91.011 — Allergy to milk products
- Z91.0110 — Allergy to milk products, unspecified
- Z91.0111 — Allergy to milk products with tolerance to baked milk
- Z91.0112 — Allergy to milk products with reactivity to baked milk
- Z91.012 — Allergy to eggs
- Z91.0120 — Allergy to eggs, unspecified
- Z91.0121 — Allergy to eggs with tolerance to baked egg
- Z91.0122 — Allergy to eggs with reactivity to baked egg
- Z91.013 — Allergy to seafood
- Z91.014 — Allergy to mammalian meats
- Z91.02 — Food additives allergy status
- Z91.03 — Insect allergy status
- Z91.030 — Bee allergy status
- Z91.038 — Other insect allergy status
- Z91.04 — Nonmedicinal substance allergy status
- Z91.040 — Latex allergy status
- Z91.041 — Radiographic dye allergy status
- Z91.048 — Other nonmedicinal substance allergy status
- Z91.09 — Other allergy status, other than to drugs and biological substances
- Z91.1 — Patient's noncompliance with medical treatment and regimen
- Z91.11 — Patient's noncompliance with dietary regimen
- Z91.110 — Patient's noncompliance with dietary regimen due to financial hardship
- Z91.118 — Patient's noncompliance with dietary regimen for other reason
- Z91.119 — Patient's noncompliance with dietary regimen due to unspecified reason
- Z91.12 — Patient's intentional underdosing of medication regimen
- Z91.120 — Patient's intentional underdosing of medication regimen due to financial hardship
- Z91.128 — Patient's intentional underdosing of medication regimen for other reason
- Z91.13 — Patient's unintentional underdosing of medication regimen
- Z91.130 — Patient's unintentional underdosing of medication regimen due to age-related debility
- Z91.138 — Patient's unintentional underdosing of medication regimen for other reason
- Z91.14 — Patient's other noncompliance with medication regimen
- Z91.141 — Patient's other noncompliance with medication regimen due to financial hardship
- Z91.148 — Patient's other noncompliance with medication regimen for other reason
- Z91.15 — Patient's noncompliance with renal dialysis
- Z91.151 — Patient's noncompliance with renal dialysis due to financial hardship
- Z91.158 — Patient's noncompliance with renal dialysis for other reason
Indexed Clinical Terms (4)
Clinical term phrases from the official ICD-10-CM Index to Diseases and Injuries that map to this code.
- Allergy, allergic (reaction) (to), food NEC (any) (ingested), status (without reaction)
- Allergy, allergic (reaction) (to), food NEC (any) (ingested), status (without reaction), specified NEC
- History, personal (of), allergy (to), food
- History, personal (of), allergy (to), food, specified food NEC
Related Codes & Numerical Sequence (Crawl Map)
Search engines and indexers are advised to traverse adjacent medical codes in this sub-chapter range to find correlated diagnoses or therapeutic procedures: