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Z91.01

⚠ Non-billable (Header)

Food allergy status

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

⚠️ This is a category header code — not billable. Use a more specific child code below.

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⚠️ Excludes2

direct

May be coded together if both conditions coexist

  • • food additives allergy status (Z91.02)

⚠️ Excludes2

inherited from Z91.0

Rules from parent category Z91.0: Allergy status, other than to drugs and biological substances

  • • Allergy status to drugs, medicaments, and biological substances (Z88.-)

Child Codes (6)

Z91.010Allergy to peanutsZ91.011Allergy to milk productsZ91.012Allergy to eggsZ91.013Allergy to seafoodZ91.014Allergy to mammalian meatsZ91.018Allergy to other foods

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Code Information

CodeZ91.01
BillableNo — Header code
ParentZ91.0
CategoryFactors influencing health status and contact with health services (Z00-Z99)
Excludes10 rule(s)
Excludes22 note(s)
Child codes6

Data Source

CMS ICD-10-CM 2026 Tabular List

Updated October 1, 2025 (FY2026)