Anaphylaxis ICD-10-CM Codes

Delve into the comprehensive guide on Anaphylaxis ICD codes for 2023. Understand the codes, their billability, and their clinical significance.

By Telita Montales on Aug 8, 2025.

Fact Checked by Ericka Pingol.

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What ICD Codes Are Used for Anaphylaxis?

When addressing Anaphylaxis, it's crucial to be familiar with the specific Anaphylaxis ICD codes for accurate clinical documentation and billing. Anaphylaxis is a severe, potentially life-threatening allergic reaction. Here are some commonly used ICD codes related to anaphylaxis:

T78.2XXA - Anaphylactic shock, unspecified: This code can be used for cases of anaphylactic shock where the specific allergen is not identified.
T78.0XXA - Anaphylactic reaction due to food: This represents cases where the anaphylactic reaction is precisely due to a food allergen.
T80.52XA - Anaphylactic reaction due to serum: Used for anaphylaxis resulting from a serum injection.

Using the proper codes ensures that patients receive the appropriate care and that healthcare providers are reimbursed accurately.

Which Anaphylaxis ICD Codes Are Billable?

All the ICD codes mentioned for Anaphylaxis are typically billable as they represent specific medical conditions that require intervention. Proper documentation is crucial to ensure accurate billing and prevent potential discrepancies.

Clinical Information

Anaphylaxis can be a rapid and severe allergic reaction. Here's what clinicians and patients should be aware of:

Anaphylaxis symptoms include difficulty breathing, hives, swelling of the face and throat, a rapid or weak pulse, and a drop in blood pressure.
Common triggers include certain foods, medications, insect stings, and latex.
Immediate treatment with epinephrine (adrenaline) is crucial, followed by a trip to the emergency room.
Prevention involves avoiding known triggers and carrying an epinephrine auto-injector if you're at risk.
Regular monitoring and follow-up are essential, especially if the cause of the anaphylaxis is unknown.

Synonyms Include:

Allergic Shock
Severe Allergic Reaction
Anaphylactic Reaction
Systemic Allergic Reaction
Hypersensitivity Shock

Commonly asked questions

Administer an epinephrine auto-injector immediately, if available, and call emergency services. Lay the person flat, elevate their legs, and stay with them until help arrives.

Yes, in some cases, anaphylaxis can occur without a known allergy. This is referred to as idiopathic anaphylaxis.

Some children may outgrow specific food allergies that can cause anaphylaxis. Still, it's less common to outgrow allergies to insect stings or medications. Regular allergy testing can provide more information.

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