T78.40
BillableAllergy, unspecified
T78.40 is the ICD-10-CM code for Allergy, unspecified. It is a billable, specific code valid for reimbursement.
S00-T88 Injury, poisoning and certain other consequences of external causes
Includes
- •Allergic reaction NOS
- •Hypersensitivity NOS
Frequently asked questions
Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.
Look up another ICD-10 code or condition