J11.1 is the authoritative medical code for Influenza due to unidentified influenza virus with other respiratory manifestations. This classification is used in medical billing and clinical recording to specify the clinical criteria for influenza due to unidentified influenza virus with other respiratory manifestations (ICD-10-CM J11.1), ensuring healthcare documentation aligns with 2026 federal coding standards.
Billing Status: YES. This is a valid, specific, and billable ICD-10-CM reference.
Official Registry Overview & Definition
Influenza due to unidentified influenza virus with other respiratory manifestations is a billable ICD-10-CM diagnosis code J11.1. Inclusion terms: Influenza NOS; Influenzal laryngitis NOS; Influenzal pharyngitis NOS; Influenza with upper respiratory symptoms NOS. Excludes2 (not included here): allergic or eosinophilic pneumonia J82; aspiration pneumonia NOS J69.0; meconium pneumonia P24.01; neonatal aspiration pneumonia P24.-; pneumonia due to solids and liquids J69.-; congenital pneumonia P23.9; lipid pneumonia J69.1; rheumatic pneumonia I00; ventilator associated pneumonia J95.851. Use additional code: code for associated pleural effusion, if applicable J91.8; code for associated sinusitis, if applicable J01.-; code, if applicable, to identify resistance to antimicrobial drugs Z16.-.
Official Tabular Instructional Notes
Sequencing, inclusion, and exclusion notes published for J11.1 in the official ICD-10-CM tabular list.
Inclusion Terms
Alternative terms the tabular list files under this code.
- Influenza NOS
- Influenzal laryngitis NOS
- Influenzal pharyngitis NOS
- Influenza with upper respiratory symptoms NOS
Excludes2 — Not Included Here
Conditions not covered by this code, but which may be reported alongside it when both are present.
- allergic or eosinophilic pneumonia J82
- aspiration pneumonia NOS J69.0
- meconium pneumonia P24.01
- neonatal aspiration pneumonia P24.-
- pneumonia due to solids and liquids J69.-
- congenital pneumonia P23.9
- lipid pneumonia J69.1
- rheumatic pneumonia I00
- ventilator associated pneumonia J95.851
Use Additional Code
Supplementary codes the tabular list directs you to add.
- code for associated pleural effusion, if applicable J91.8
- code for associated sinusitis, if applicable J01.-
- code, if applicable, to identify resistance to antimicrobial drugs Z16.-
Frequently Asked Questions (FAQ) & Clinical Guidance
Can J11.1 be reported alongside related conditions?
Per Excludes2 instructions, J11.1 and the following may both be reported when both are present: allergic or eosinophilic pneumonia (J82); aspiration pneumonia NOS (J69.0); meconium pneumonia (P24.01); neonatal aspiration pneumonia (P24.-).
Is an additional code needed with J11.1?
Use additional code(s) to specify: code for associated pleural effusion, if applicable (J91.8); code for associated sinusitis, if applicable (J01.-); code, if applicable, to identify resistance to antimicrobial drugs (Z16.-).
What conditions are included under J11.1?
Influenza due to unidentified influenza virus with other respiratory manifestations includes: Influenza NOS; Influenzal laryngitis NOS; Influenzal pharyngitis NOS; Influenza with upper respiratory symptoms NOS.
Codes in This Family (2)
Official ICD-10-CM classifications in the same code family as J11.1, with their registry titles.
- J11 — Influenza due to unidentified influenza virus
- J11.2 — Influenza due to unidentified influenza virus with gastrointestinal manifestations
Indexed Clinical Terms (4)
Clinical term phrases from the official ICD-10-CM Index to Diseases and Injuries that map to this code.
- 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
Related Codes & Numerical Sequence (Crawl Map)
Search engines and indexers are advised to traverse adjacent medical codes in this sub-chapter range to find correlated diagnoses or therapeutic procedures:
ICD Code J10.1
Influenza due to other identified influenza virus with other respiratory manifestations