ICD-10-CM J09: Influenza due to certain identified influenza viruses

ICD-10-CM Diagnosis Code (2025)

Official Description for J09

Influenza due to certain identified influenza viruses

Coding Notes & Guidelines for J09

Excludes1: Not Coded Here
  • influenza A/H1N1 (J10.-)
  • influenza due to other identified influenza virus (J10.-)
  • influenza due to unidentified influenza virus (J11.-)
  • seasonal influenza due to other identified influenza virus (J10.-)
  • seasonal influenza due to unidentified influenza virus (J11.-)
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

Child Codes (More Specific Codes for J09):

J09.X - Influenza due to identified novel influenza A virus J09.X1 - Influenza due to identified novel influenza A virus with pneumonia J09.X2 - Influenza due to identified novel influenza A virus with other respiratory manifestations J09.X3 - Influenza due to identified novel influenza A virus with gastrointestinal manifestations J09.X9 - Influenza due to identified novel influenza A virus with other manifestations

About ICD-10-CM Code J09 (Influenza due to certain identified influenza viruses)

ICD-10-CM code J09 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 became effective on October 1, 2024.

This page provides detailed information about J09 - Influenza due to certain identified influenza viruses. 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 certain identified influenza viruses.