J11.1 ICD-10-CM Code: Influenza due to unidentified influenza virus with other respiratory manifestations
J11.1 is the billable ICD-10-CM code for “Influenza due to unidentified influenza virus with other respiratory manifestations” in the FY 2027 U.S. code set, effective Oct 1, 2026.
Official description
J11.1Influenza due to unidentified influenza virus with other respiratory manifestations
ICD-10-CM diagnosis code · United States clinical modification
Where J11.1 sits
- 1
Chapter 10
Diseases of the respiratory system (J00-J99)
- 2
Section
Influenza and pneumonia (J09-J18)
- 3
Category J11
Influenza due to unidentified influenza virus
- 4
Code J11.1
Influenza due to unidentified influenza virus with other respiratory manifestations
Notes for this code
Inclusion terms
- Influenza NOS
- Influenzal laryngitis NOS
- Influenzal pharyngitis NOS
- Influenza with upper respiratory symptoms NOS
Code first
No “code first” instruction is listed for J11.1.
Use additional code
- code for associated pleural effusion, if applicable (J91.8)
Excludes1
Conditions that should not be reported together with this code.
No Excludes1 note is listed for J11.1.
Excludes2
Conditions not included here that may be reported separately when present.
No Excludes2 note is listed for J11.1.
Source and release
- Data release
- U.S. ICD-10-CM · FY 2027
- Effective date
- Oct 1, 2026
- Publisher
- Vero Scribe Inc.
This reference is generated from Vero’s ICD-10-CM description, hierarchy, and code-note dataset. The visible content and structured data share that source.
Frequently asked questions
What does ICD-10-CM code J11.1 mean?
J11.1 is the FY 2027 U.S. ICD-10-CM code for “Influenza due to unidentified influenza virus with other respiratory manifestations.”
Is J11.1 a billable or specific ICD-10-CM code?
Yes. In the FY 2027 reference data used on this page, J11.1 has no child codes and is presented as a billable/specific code. Always confirm the active code set and payer requirements before use.
Where is J11.1 located in ICD-10-CM?
J11.1 is listed in Chapter 10, Diseases of the respiratory system (J00-J99), within Influenza and pneumonia (J09-J18) (J09–J18), under category J11, Influenza due to unidentified influenza virus.
What coding notes are listed for J11.1?
Its listed inclusion terms are Influenza NOS; Influenzal laryngitis NOS; Influenzal pharyngitis NOS; Influenza with upper respiratory symptoms NOS. No code-first instruction is listed. Additional-code instructions: code for associated pleural effusion, if applicable (J91.8). No Excludes1 note is listed. No Excludes2 note is listed.