J11.1 Influenza due to unidentified influenza virus with other respiratory manifestations

Billable ICD-10-CM code, FY2026.

Applicable to

• Influenza NOS
• Influenzal laryngitis NOS
• Influenzal pharyngitis NOS
• Influenza with upper respiratory symptoms NOS

Use additional code

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

MS-DRG index

Defines the logic of DRG(s) 152-153 in MDC 03.

Approximate ICD-9-CM (GEMs)

• 487.1 Influenza with other respiratory manifestations (approximate)

Code annotations containing back-references to J11.1

Back-references to J11.1

• Type 1 Excludes: J00 Acute nasopharyngitis [common cold] ("influenza virus with other respiratory manifestations (J09.X2, J10.1, J11.1)")
• Type 1 Excludes: J02.9 Acute pharyngitis, unspecified ("influenza virus with other respiratory manifestations (J09.X2, J10.1, J11.1)")
• Type 1 Excludes: J03.9 Acute tonsillitis, unspecified ("influenza virus with other respiratory manifestations (J09.X2, J10.1, J11.1)")
• Code Also: J04 Acute laryngitis and tracheitis ("influenza due to unidentified influenza virus with other respiratory manifestations (J11.1)")
• Code Also: J05 Acute obstructive laryngitis [croup] and epiglottitis ("influenza due to unidentified influenza virus with other respiratory manifestations (J11.1)")
• Type 1 Excludes: J06 Acute upper respiratory infections of multiple and unspecified sites ("influenza virus with other respiratory manifestations (J09.X2, J10.1, J11.1)")
• Code First: J91.8 Pleural effusion in other conditions classified elsewhere ("influenza (J09.X2, J10.1, J11.1)")

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 J11.1

• Influenza (bronchial) (epidemic) (respiratory (upper)) (unidentified influenza virus)
• Influenza (bronchial) (epidemic) (respiratory (upper)) (unidentified influenza virus) › with › laryngitis
• Influenza (bronchial) (epidemic) (respiratory (upper)) (unidentified influenza virus) › with › pharyngitis
• Influenza (bronchial) (epidemic) (respiratory (upper)) (unidentified influenza virus) › with › respiratory manifestations NEC

Nearby codes

• J11 Influenza due to unidentified influenza virus
• J11.0 Influenza due to unidentified influenza virus with pneumonia
• J11.00 Influenza due to unidentified influenza virus with unspecified type of pneumonia
• J11.08 Influenza due to unidentified influenza virus with specified pneumonia
• J11.1 Influenza due to unidentified influenza virus with other respiratory manifestations (this code)
• 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
• J11.83 Influenza due to unidentified influenza virus with otitis media