J11.82 Influenza due to unidentified influenza virus with myocarditis

Billable ICD-10-CM code, FY2026.

Applicable to

• Influenzal myocarditis NOS

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 J11.82

Back-references to J11.82

• Type 1 Excludes: I41 Myocarditis in diseases classified elsewhere ("influenzal (J09.X9, J10.82, J11.82)")

Back-references to J11

• Type 1 Excludes: J09 Influenza due to certain identified influenza viruses ("influenza due to unidentified influenza virus (J11.-)")
• Type 1 Excludes: J09 Influenza due to certain identified influenza viruses ("seasonal influenza due to unidentified influenza virus (J11.-)")
• Type 1 Excludes: J10 Influenza due to other identified influenza virus ("influenza due to unidentifed influenza virus (J11.-)")

Diagnosis Index entries for J11.82

• Influenza (bronchial) (epidemic) (respiratory (upper)) (unidentified influenza virus) › with › myocarditis

Nearby codes

• J11.08 Influenza due to unidentified influenza virus with specified pneumonia
• J11.1 Influenza due to unidentified influenza virus with other respiratory manifestations
• J11.2 Influenza due to unidentified influenza virus with gastrointestinal manifestations
• J11.8 Influenza due to unidentified influenza virus with other manifestations
• J11.81 Influenza due to unidentified influenza virus with encephalopathy
• J11.82 Influenza due to unidentified influenza virus with myocarditis (this code)
• J11.83 Influenza due to unidentified influenza virus with otitis media
• J11.89 Influenza due to unidentified influenza virus with other manifestations