Flu ICD-10-CM Codes

What ICD-10 Codes Are Used for Flu?

Accurate and specific codes are essential when documenting cases related to Flu ICD codes. Here are a few commonly used ones:

• J11.1 - Influenza due to unidentified influenza virus with other respiratory manifestations: Used when flu symptoms are present with other respiratory manifestations, and the exact strain of influenza virus is unknown.
• J11.0 - Influenza due to unidentified influenza virus with pneumonia: This code applies when a patient has pneumonia, but the exact strain of the influenza virus is unknown.
• J10.1 - Influenza due to other identified influenza virus with other respiratory manifestations: This is used when the influenza virus strain is known and the patient has other respiratory symptoms.
• J10.0 - Influenza due to other identified influenza virus with pneumonia: This code applies when the patient has influenza with pneumonia and the identified influenza virus strain is known.‍
• J09.X2 - Influenza due to novel influenza A virus with gastrointestinal manifestations: Used when a patient has influenza A with gastrointestinal symptoms.

Which Flu ICD Codes Are Billable?

The following flu ICD codes can be billed; here's an introduction to their specific usage:

• J11.1: Yes, billable. It signifies an unidentified influenza virus with additional respiratory symptoms.
• J11.0: Yes, billable. This code is recognized for cases involving unidentified influenza with pneumonia.
• J10.1: Yes, billable. It applies to identified influenza viruses with additional respiratory manifestations.
• J10.0: Yes, billable. It is used for cases of known influenza virus with pneumonia.
• J09.X2: Yes, billable. It identifies cases of influenza A virus with gastrointestinal symptoms.

Clinical Information

The flu, or influenza, is a viral illness that typically affects the respiratory tract. It is highly contagious and can have varying degrees of severity. Here are some key points:

• The flu is most often transmitted through respiratory droplets when a person with the flu coughs, sneezes, or talks.
• Common symptoms include fever, cough, sore throat, runny or stuffy nose, body aches, headache, chills, fatigue, and sometimes, diarrhea and vomiting.
• Complications can include bacterial pneumonia, ear infections, sinus infections, and worsening of chronic medical conditions.
• People at high risk for complications include the young, the elderly, pregnant women, and people with certain chronic health conditions.
• Vaccination is the primary method of prevention. Antiviral medications can be effective if started early in the course of illness.

Synonyms Include:

• Influenza
• Grippe
• Influenza virus infection
• Flu virus infection
• Seasonal influenza