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Z91.013

Billable

Allergy to seafood

Z91.013 is the ICD-10-CM code for Allergy to seafood. It is a billable, specific code valid for reimbursement.

Status
Billable
Chapter
Z00-Z99
Parent
Z91.01
Edition
FY2026

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

What this means — in plain language

MedlinePlus · NIH

What is a food allergy? A food allergy is an abnormal immune system reaction to certain foods. Your immune system normally protects you from germs. But if you have a food allergy, your immune system mistakenly reacts to certain foods as if they were harmful. This reaction is usually mild. But in some cases, it can be serious or even life-threatening. A food intolerance is different than a food allergy. If you have a…

Read more about Food Allergy at MedlinePlus ↗

Source: U.S. National Library of Medicine (MedlinePlus). Informational only — not medical advice.

Includes

  • •Allergy to shellfish
  • •Allergy to octopus or squid ink

Frequently asked questions

What is ICD-10 code Z91.013?
Z91.013 is the ICD-10-CM code for "Allergy to seafood". It falls under Z00-Z99 Factors influencing health status and contact with health services.
Is Z91.013 a billable code?
Yes — Z91.013 is a billable, specific ICD-10-CM code valid for reimbursement.

Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.

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