T78.19
BillableOther adverse food reactions, not elsewhere classified
T78.19 is the ICD-10-CM code for Other adverse food reactions, not elsewhere classified. It is a billable, specific code valid for reimbursement.
S00-T88 Injury, poisoning and certain other consequences of external causes
What this means — in plain language
MedlinePlus · NIHWhat 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.
Frequently asked questions
- What is ICD-10 code T78.19?
- T78.19 is the ICD-10-CM code for "Other adverse food reactions, not elsewhere classified". It falls under S00-T88 Injury, poisoning and certain other consequences of external causes.
- Is T78.19 a billable code?
- Yes — T78.19 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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