J10.81 Influenza due to other identified influenza virus with encephalopathy

Billable ICD-10-CM code, FY2026.

Applies from J10 Influenza due to other identified influenza virus

Includes

• influenza A (non-novel)
• influenza B
• influenza C

Excludes1 (never code together)

• influenza due to avian influenza virus (J09.X-)
• influenza due to swine flu (J09.X-)
• influenza due to unidentifed influenza virus (J11.-)

MS-DRG index

Defines the logic of DRG(s) 865-866 in MDC 18.

Approximate ICD-9-CM (GEMs)

• 487.8 Influenza with other manifestations (approximate)

Code annotations containing back-references to J10.81

Back-references to J10.81

• Type 1 Excludes: G94 Other disorders of brain in diseases classified elsewhere ("encephalopathy in influenza (J09.X9, J10.81, J11.81)")

Back-references to J10

• Type 1 Excludes: J09 Influenza due to certain identified influenza viruses ("influenza A/H1N1 (J10.-)")
• Type 1 Excludes: J09 Influenza due to certain identified influenza viruses ("influenza due to other identified influenza virus (J10.-)")
• Type 1 Excludes: J09 Influenza due to certain identified influenza viruses ("seasonal influenza due to other identified influenza virus (J10.-)")

Diagnosis Index entries for J10.81

• Influenza (bronchial) (epidemic) (respiratory (upper)) (unidentified influenza virus) › due to › identified influenza virus NEC › with › encephalopathy

Nearby codes

• J10.01 Influenza due to other identified influenza virus with the same other identified influenza virus pneumonia
• J10.08 Influenza due to other identified influenza virus with other specified pneumonia
• J10.1 Influenza due to other identified influenza virus with other respiratory manifestations
• J10.2 Influenza due to other identified influenza virus with gastrointestinal manifestations
• J10.8 Influenza due to other identified influenza virus with other manifestations
• J10.81 Influenza due to other identified influenza virus with encephalopathy (this code)
• J10.82 Influenza due to other identified influenza virus with myocarditis
• J10.83 Influenza due to other identified influenza virus with otitis media
• J10.89 Influenza due to other identified influenza virus with other manifestations