Non-Billable / Non-Specific Code
ICD-10-CM T78.0 is the diagnosis code for Anaphylactic reaction due to food. This code falls under the section "Other and unspecified effects of external causes" within Chapter 19 — Injury, poisoning and certain other consequences of external causes (S00-T88). It is a non-billable/non-specific ICD-10-CM code that should not be used for reimbursement. A more specific sub-code is required for billing. Medical coders and healthcare providers use this code to document and classify diagnoses in electronic health records, insurance claims, and clinical databases.
Understanding where T78.0 sits in the ICD-10-CM classification helps ensure proper coding:
No, T78.0 is a non-billable/non-specific code. You should use a more specific sub-code for billing and reimbursement.
T78.0 is the ICD-10-CM diagnosis code for "Anaphylactic reaction due to food". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.
The parent code of T78.0 is T78 ("Adverse effects, not elsewhere classified"). T78.0 provides a more specific classification within this category.
T78.0 is located in Section T66-T78 — "Other and unspecified effects of external causes" within Chapter 19 of the ICD-10-CM Tabular List.
T78.0 has 10 sub-code(s) that provide more specific detail: T78.00, T78.01, T78.02, T78.03, T78.04 and more.
Use T78.0 when the patients documented diagnosis matches "Anaphylactic reaction due to food" and the clinical documentation supports this level of specificity. Always verify with the latest ICD-10-CM guidelines and payer requirements.
The ICD-10-CM code for Anaphylactic reaction due to food is T78.0.
No, T78.0 is non-billable. Use a more specific sub-code for primary diagnosis billing.
T78.0 is in Chapter 19 of the ICD-10-CM Tabular List.
Yes, T78.0 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.