Is ICD-10-CM code J10 billable?

No, J10 (Influenza due to other identified influenza virus) is a non-billable ICD-10-CM code. It must be coded to a more specific subcategory before it can be used for reimbursement.

What chapter does ICD-10-CM code J10 belong to?

J10 belongs to Chapter 10 of the ICD-10-CM tabular list: J00–J99 (Diseases of the Respiratory System).

J10Not billable, use a more specific code below

Influenza due to other identified influenza virus

In Influenza and pneumonia (J09-J18), chapter 10: Diseases of the Respiratory System

9 billable codes under J10: 3 are an MCC; none map to an HCC.A CC or MCC (major CC) is a secondary diagnosis that raises the MS-DRG payment.

Instructional notes

Includes: conditions that are coded here

influenza A (non-novel)
influenza B
influenza C

Excludes1: not coded here, use a different code

influenza due to avian influenza virus (J09.X-)
influenza due to swine flu (J09.X-)
influenza due to unidentifed influenza virus (J11.-)

Also applies, from Influenza and pneumonia (J09-J18)

These notes sit on J09-J18 and apply to every code under it, including J10.

Excludes2: not included here, code separately if applicable

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: add a second code for this, listed after this one

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

Official coding guidelines

From the ICD-10-CM Official Guidelines for Coding and Reporting, FY 2027 (CMS and NCHS). Links open the PDF at the right page.

Section I.C.10.c Influenza due to certain identified influenza viruses (page 57), covers J10
Code J09 or J10 only for influenza the provider states is due to an identified virus; lab confirmation is not required. Code suspected, possible, or probable identified influenza to J11.

All codes under J10

J10 can't be used on a claim. Pick a billable code below; grey headings group them.

J10 MS-DRGs

As the principal diagnosis, the billable codes under J10 group to these 13 MS-DRGs (v44.0). Which one applies depends on procedures performed, secondary diagnoses (CC/MCC), and the patient's age and discharge status.

DRG 865 Viral Illness with MCC (5 of 9 codes)
DRG 866 Viral Illness without MCC (5 of 9 codes)
DRG 193 Simple Pneumonia and Pleurisy with MCC (4 of 9 codes)
DRG 194 Simple Pneumonia and Pleurisy with CC (4 of 9 codes)
DRG 195 Simple Pneumonia and Pleurisy without CC/MCC (4 of 9 codes)
DRG 177 Respiratory Infections and Inflammations with MCC (3 of 9 codes)
DRG 178 Respiratory Infections and Inflammations with CC (3 of 9 codes)
DRG 179 Respiratory Infections and Inflammations without CC/MCC (3 of 9 codes)
DRG 791 Prematurity with Major Problems (2 of 9 codes)
DRG 793 Full Term Neonate with Major Problems (2 of 9 codes)
DRG 974 HIV with Major Related Condition with MCC (1 of 9 codes)
DRG 975 HIV with Major Related Condition with CC (1 of 9 codes)
DRG 976 HIV with Major Related Condition without CC/MCC (1 of 9 codes)

Other codes that refer to J10

Notes on these codes point to J10.

J09 Excludes1: influenza A/H1N1 (J10.-)
J09 Excludes1: influenza due to other identified influenza virus (J10.-)
J09 Excludes1: seasonal influenza due to other identified influenza virus (J10.-)
P00.2 Includes: Newborn affected by maternal infectious disease classifiable to A00-B99, J09 and J10
P35-P39 Excludes2: infectious diseases not specific to the perinatal period (A00-B99, J09, J10.-)

About the condition

Plain-language background from MedlinePlus (National Library of Medicine), not coding guidance.

Flu

The flu, also called influenza, is a respiratory infection caused by viruses. Each year, millions of Americans get sick with the flu. Sometimes it causes mild illness. But it can also be serious or even deadly, especially for people over 65, newborn babies, and people with certain chronic illnesses.

Code history

Valid since FY2016, when ICD-10-CM took effect on October 1, 2015. No changes since.