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

ICD-10-CM 2027 diagnosis code · Influenza and pneumonia

Billable code

ICD-10-CM code J11.1
Code
J11.1 (claims format: J111)
Description
Influenza due to unidentified influenza virus with other respiratory manifestations
Short description
Flu due to unidentified influenza virus w oth resp manifest
Billable
Yes – valid for HIPAA-covered transactions
Valid for
Dates of service October 1, 2026 – September 30, 2027 (FY2027)
Chapter
10. Diseases of the respiratory system (J00-J99)
Block
J09-J18 Influenza and pneumonia
Parent codes
J11

Notes for J11.1

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.-)

Notes inherited from parent codes

Instructional notes at a category or block level apply to every code below it.

Block J09-J18

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, if applicable, to identify resistance to antimicrobial drugs (Z16.-)

Index terms for J11.1

Entries in the ICD-10-CM alphabetic index that lead to this code:

Related codes in J11

Frequently asked questions

What is ICD-10 code J11.1?

J11.1 is the ICD-10-CM code for influenza due to unidentified influenza virus with other respiratory manifestations, in the block J09-J18 (Influenza and pneumonia).

Is J11.1 a billable code?

Yes. J11.1 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.

What category does J11.1 belong to?

It belongs to category J11 – Influenza due to unidentified influenza virus.

Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.