Angioedema ICD-10-CM Codes

Discover essential Angioedema ICD-10-CM codes for 2023. Use this guide to aid in precise coding, enhancing your medical billing process.

By Ashleigh Knowles on Feb 29, 2024.

Fact Checked by RJ Gumban.

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Angioedema ICD-10-CM Codes

What ICD-10 Codes Are Used for Angioedema?

Angioedema is a medical condition characterized by swelling beneath the skin, usually around the eyes and lips. Here are some commonly used Angioedema ICD codes:

  • T78.3XXA: Allergic Angioedema, initial encounter. This code documents an initial encounter with a patient with Angioedema due to an allergic reaction.
  • T78.3XXD: Allergic Angioedema, subsequent encounter. This code applies to follow-up visits for patients dealing with allergic Angioedema.
  • T78.3XXS: Allergic Angioedema, sequela. This code is used for complications or conditions that directly result from allergic Angioedema.
  • T78.2XXA: Anaphylactic shock, unspecified, initial encounter. Used when a patient presents with an unspecified form of anaphylactic shock for the first time.
  • T78.2XXD: Anaphylactic shock, unspecified, subsequent encounter. This code is for follow-up visits for patients with an unspecified form of anaphylactic shock.
  • T78.2XXS: Anaphylactic shock, unspecified, sequela. Used for conditions that result directly from an unspecified form of anaphylactic shock.

Which Angioedema ICD Codes Are Billable?

Here is a summary of whether the ICD codes mentioned above are billable:

  • T78.3XXA: Yes, this code is billable and used for the initial encounter with an allergic angioedema patient.
  • T78.3XXD: Yes, this billable code applies to follow-up visits for patients dealing with allergic Angioedema.
  • T78.3XXS: Yes, this billable code is used for complications arising from allergic Angioedema.
  • T78.2XXA: Yes, this billable code is used for the initial encounter with an unspecified form of anaphylactic shock.
  • T78.2XXD: Yes, this code is billable and used for follow-up visits for patients dealing with an unspecified form of anaphylactic shock.
  • T78.2XXS: Yes, this billable code is used for conditions resulting from an unspecified form of anaphylactic shock.

Clinical Information

Angioedema is a rapid, localized skin swelling that often affects deeper layers of the skin and mucosa. The swelling is usually non-itchy but can be painful. Here are some essential points:

  • Angioedema can occur due to an allergic reaction or non-allergic causes.
  • It often affects areas with loose tissues, such as the face, throat, and limbs.
  • The condition can be life-threatening if it causes airway obstruction.
  • Treatments include avoiding triggers, antihistamines, and steroids.
  • Genetic angioedema is a hereditary condition requiring different treatment approaches.

Synonyms Include:

  • Allergic Angioedema
  • Anaphylactic shock
  • Non-allergic Angioedema
  • Hereditary Angioedema
  • Acute Angioedema
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Commonly asked questions

What triggers Angioedema?

Angioedema can be triggered by allergens like certain foods, medications, insect bites, or physical factors like heat or pressure.

Is Angioedema a severe condition?

While Angioedema can often be mild and short-lived, it can be severe if the swelling causes airway obstruction, leading to breathing difficulties.

How is Angioedema treated?

Treatment often involves antihistamines, corticosteroids, or other medications to reduce swelling and pain. Avoidance of known triggers is also essential.

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