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J09.X2

J09.X2: Influenza due to identified novel influenza A virus with other respiratory manifestations

Billable / specific codeICD-10-CM

J09.X2 is a billable, specific ICD-10-CM code for influenza due to identified novel influenza a virus with other respiratory manifestations. It is valid for submission on a claim.

Check J09.X2 with the rest of the claim: free scrubber

Use additional code

Add a secondary code to capture the detail described below.

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

Inclusion terms

Alternative wordings a physician may use in the chart for this same code.

  • 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

Excludes1 inherited from the categories above J09.X2

A category’s note binds every code beneath it.

Written on J09: Influenza due to certain identified influenza viruses

  • 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.-)

Other codes that can never be billed with J09.X2

Their own Excludes1 notes name this code, so the conflict is not listed above.

  • J00Acute nasopharyngitis [common cold]
  • J02.9Acute pharyngitis, unspecified
  • J03.9Acute tonsillitis, unspecified
  • J06Acute upper respiratory infections of multiple and unspecified sites

Risk adjustment

No CMS-HCC V28 category: this code does not change a RAF score.

Medicare coverage

J09.X2 is named in 11 Medicare coverage policies: 11 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.

  • A52466Nebulizers - Policy Article
  • A56580Billing and Coding: Computerized Axial Tomography (CT), Thorax
  • A56717Billing and Coding: Respiratory Therapy (Respiratory Care)
  • A57224Billing and Coding: Respiratory Care

Alphabetic index entries that lead here

  • Flu›avian
  • Flu›bird
  • Flu›swine(viruses that normally cause infections in pigs)
  • Influenza›A/H5N1
  • Influenza›avian
  • Influenza›bird
  • Influenza›of other animal origin, not bird or swine
  • Influenza›swine(viruses that normally cause infections in pigs)
  • Virus, viral›swine influenza(viruses that normally cause infections in pigs)
  • Influenza›due to›avian
  • Influenza›due to›identified novel influenza A virus
  • Influenza›due to›identified novel influenza A virus›with›laryngitis

The condition this code belongs to

Code history

Unchanged in every release from FY2024 to FY2027.

Other codes under J09.X

ICD-10-CMFY2027· effective October 1, 2026

Loaded directly from the CMS/NCHS ICD-10-CM public-domain release: see data sources and our editorial policy. If this page disagrees with the CMS tabular list, this page is wrong. Reference information for professional coders; not medical or billing advice.