J09.X1 – Influenza due to identified novel influenza A virus with pneumonia

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

Billable code

ICD-10-CM code J09.X1

Code: J09.X1 (claims format: J09X1)
Description: Influenza due to identified novel influenza A virus with pneumonia
Short description: Influenza due to ident novel influenza A virus w pneumonia
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: J09 › J09.X

Notes for J09.X1

Code also:

, if applicable, associated:
lung abscess (J85.1)
other specified type of pneumonia

Notes inherited from parent codes

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

J09 – Influenza due to certain identified influenza viruses

Excludes1 (not coded here):

influenza A/H1N1 (J10.-)
influenza due to other identified influenza virus (J10.-)
influenza due to unidentified influenza virus (J11.-)
seasonal influenza due to other identified influenza virus (J10.-)
seasonal influenza due to unidentified influenza virus (J11.-)

J09.X – Influenza due to identified novel influenza A virus

Applicable to:

Avian influenza
Bird influenza
Influenza A/H5N1
Influenza of other animal origin, not bird or swine
Swine influenza virus (viruses that normally cause infections in pigs)

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 J09.X1

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

Influenza, due to, identified novel influenza A virus, with, pneumonia

Related codes in J09.X

Frequently asked questions

What is ICD-10 code J09.X1?

J09.X1 is the ICD-10-CM code for influenza due to identified novel influenza A virus with pneumonia, in the block J09-J18 (Influenza and pneumonia).

Is J09.X1 a billable code?

Yes. J09.X1 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.

What category does J09.X1 belong to?

It belongs to category J09 – Influenza due to certain identified influenza viruses.

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.