ICD-10-CM J09.X: Influenza due to identified novel influenza A virus

ICD-10-CM Diagnosis Code (2025)

Official Description for J09.X

Influenza due to identified novel influenza A virus

Coding Notes & Guidelines for J09.X

Excludes1: Not Coded Here

'intestinal flu' [viral gastroenteritis] (A08.-)

Use Additional Code
  • code, if applicable, for associated:
  • pleural effusion (J91.8)
  • sinusitis (J01.-)
Use Additional Code

code to identify manifestation

Inclusion Terms
  • Avian influenza
  • Bird influenza
  • Influenza A/H5N1
  • Influenza of other animal origin, not bird or swine
  • Swine influenza virus (viruses that normally cause infections in pigs)
Inclusion Terms
  • Influenza due to identified novel influenza A virus NOS
  • Influenza due to identified novel influenza A virus with laryngitis
  • Influenza due to identified novel influenza A virus with pharyngitis
  • Influenza due to identified novel influenza A virus with upper respiratory symptoms
Inclusion Terms

Influenza due to identified novel influenza A virus gastroenteritis

Inclusion Terms
  • Influenza due to identified novel influenza A virus with encephalopathy
  • Influenza due to identified novel influenza A virus with myocarditis
  • Influenza due to identified novel influenza A virus with otitis media
Code Also
  • , if applicable, associated:
  • lung abscess (J85.1)
  • other specified type of pneumonia

Parent Code (Less Specific):

J09 - Influenza due to certain identified influenza viruses

About ICD-10-CM Code J09.X (Influenza due to identified novel influenza A virus)

ICD-10-CM code J09.X is a billable or specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. The 2025 edition of ICD-10-CM J09.X became effective on October 1, 2024.

This page provides detailed information about J09.X - Influenza due to identified novel influenza A virus. It includes common terminology, coding guidelines such as "Includes," "Excludes1," and "Excludes2" notes, and information on required 7th characters. Utilizing this information correctly is essential for accurate medical coding and claims submission for conditions like Influenza due to identified novel influenza A virus.