ICD-10-CM Code T78.00
Anaphylactic reaction due to unspecified food
Non-Billable CodeNon-Billable means the code is not sufficient justification for admission to an acute care hospital when used a principal diagnosis. Use a child code to capture more detail.
7th Character RequiredCode requires 7th Character Extension identifier. This 7th Character usually captures Episode of Care information, such as "Initial Encounter," "Subsquent Encounter," or "Sequela."
ICD Code T78.00 is a non-billable code. To code a diagnosis of this type, you must use specify a 7th character that describes the diagnosis 'anaphylactic reaction due to unspecified food' in more detail. The 7th characters that can be added, and the resulting billable codes, are as follows:
|7th Digit||Billable Code||7th Digit Specifies|
What is 7th Character Extension?For codes less than 6 characters that require a 7th character a placeholder 'X' should be assigned for all characters less than 6. The 7th character must always be the 7th position of a code. E.g. The ICD-10-CM code T67.4 (Heat exhaustion due to salt depletion) requires an Episode of Care identifier. T67.4XXA Initial Encounter or T67.4XXD Subsequent Encounter. More Info
The ICD code T780 is used to code Food allergy
A food allergy is an abnormal immune response to food. The signs and symptoms may range from mild to severe. They may include itchiness, swelling of the tongue, vomiting, diarrhea, hives, trouble breathing, or low blood pressure. This typically occurs within minutes to several hours of exposure. When the symptoms are severe it is known as anaphylaxis. Food intolerance and food poisoning are separate conditions.
|MeSH Codes:||D005512, D005512, D005512, D005512, D005512|
|ICD 9 Codes:||V15.01, V15.02, V15.03, V15.04, V15.05|
Hives on the back are a common allergy symptom.
Coding Advice SNOMET-CT
- Episode of care information needed
- Possible requirement for an external cause code
ICD-10-CM Alphabetical Index References for 'T78.00 - Anaphylactic reaction due to unspecified food'
The ICD-10-CM Alphabetical Index links the below-listed medical terms to the ICD code T78.00. Click on any term below to browse the alphabetical index.