MCMedicalCodingSoftware
J11

J11: Influenza due to unidentified influenza virus

Non-billable headerICD-10-CM

J11 is a non-billable header ICD-10-CM code for influenza due to unidentified influenza virus. It cannot be billed on its own: choose one of the more specific child codes below.

Other codes that can never be billed with J11

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

  • G94Other disorders of brain in diseases classified elsewhere
  • H67Otitis media in diseases classified elsewhere
  • I41Myocarditis in diseases classified elsewhere
  • J00Acute nasopharyngitis [common cold]
  • J02.9Acute pharyngitis, unspecified
  • J03.9Acute tonsillitis, unspecified
  • J06Acute upper respiratory infections of multiple and unspecified sites
  • J09Influenza due to certain identified influenza viruses

Risk adjustment

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

The condition this code belongs to

Code history

Unchanged in every release from FY2024 to FY2027.

Code to one of these instead J11

4 child codes. Green means billable.

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.