T78.079A
✓ BillableAnaphylactic reaction due to milk and dairy products, unspecified, initial encounter
Injury, poisoning and certain other consequences of external causes (S00-T88)
⚠️ Excludes2
inheritedRules inherited from parent codes.
- • complications of surgical and medical care NEC (T80-T88)
Clinical Description
ICD-10-CM code T78.079A represents anaphylactic reaction due to milk and dairy products, unspecified, initial encounter. This code falls under the Injury, poisoning and certain other consequences of external causes (S00-T88) classification. It is a billable/specific code valid for HIPAA-covered transactions as of October 1, 2025 (FY2026). This code can be used to indicate a diagnosis for reimbursement purposes on insurance claims.
This is a 8-character code at the 7th level of specificity. This is the most specific code available in this subcategory.
Frequently Asked Questions
What is ICD-10 code T78.079A?
ICD-10-CM code T78.079A is "Anaphylactic reaction due to milk and dairy products, unspecified, initial encounter". It belongs to the category: Injury, poisoning and certain other consequences of external causes (S00-T88).
Is T78.079A a billable ICD-10 code?
Yes, T78.079A is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
Can T78.079A be coded with other codes?
T78.079A has 1 Excludes2 note(s). These conditions can be coded together if both are documented in the patient record.
Related Codes in T78.079
Other codes in the same category that may be relevant for differential coding:
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Data Source
CMS ICD-10-CM 2026 Tabular List
Updated October 1, 2025 (FY2026)