J09-J18 vs J69.0

J09-J18 (Influenza and pneumonia (J09-J18)) compared with J69.0 (Pneumonitis due to inhalation of food and vomit), from the official CMS tabular data.

Summary

These codes can be reported together when both conditions are documented, because J09-J18 lists J69.0 under Excludes2, which marks them as distinct conditions.

Official rule

What is different?

The conditions named and billing status.J09-J18 is “Influenza and pneumonia (J09-J18)”; J69.0 is “Pneumonitis due to inhalation of food and vomit”. J09-J18 is a non-billable header; J69.0 is billable.

Registry fact

Can these codes be reported together?

Yes, when both are documented.J09-J18 lists J69.0 under Excludes2: “aspiration pneumonia NOS (J69.0)”. Excludes2 marks distinct conditions that may both be reported when both are documented.

Official ruleGuide: Excludes1 vs Excludes2

Is there an Excludes1 relationship?

None.Neither entry carries an Excludes1 note that names the other code. J69.0 carries 4 Excludes1 notes covering other codes; the side-by-side table quotes them.

Official rule

Is there an Excludes2 relationship?

Yes.J09-J18’s tabular entry: “aspiration pneumonia NOS (J69.0)”. The note covers J69.0.

Official ruleGuide: Excludes1 vs Excludes2

Is one more specific?

Not comparable.The codes sit in different categories; specificity is only comparable within one category.

Is one a parent or header code?

One is a header.J09-J18 is a non-billable header, but J69.0 is not one of its subdivisions.

Registry fact

Are there sequencing instructions?

None.Neither entry carries a Code First or Use Additional Code note that names the other.

Official rule

Are there other coding relationships?

None found.No laterality, encounter-phase, Table of Neoplasms, Table of Drugs and Chemicals, or history-versus-active-disease relationship links these codes.

MedCoder-derived

Official rule: a tabular instructional note or a section of the ICD-10-CM Official Guidelines, quoted as published. Registry fact: the codes’ own published attributes (titles, billable status, position in the hierarchy, code set). MedCoder-derived: a reading MedCoder computes from those facts; it is not itself a rule. How to read the labels

Can these codes be reported together?

Informational

Excludes2 relationship

J09-J18

Influenza and pneumonia (J09-J18)

↔

J69.0

Pneumonitis due to inhalation of food and vomit

What we found

Yes, when both are documented.J09-J18 carries an Excludes2 note covering J69.0: “aspiration pneumonia NOS (J69.0)”

Excludes2 marks distinct conditions — both may be reported when both are documented.

What to review

Report both only when the documentation supports both conditions; otherwise report the one documented.

Guide: Excludes1 vs Excludes2 Check these on a claim

Why it matters

An Excludes2 note means the excluded condition is not part of the code above it, but a patient can have both. Report both when both are documented.

Source / rule

CMS ICD-10-CM tabular instructional notes

Official guidance behind these answers

Section I.A.12.b — Excludes2 · applies to: Excludes2
A type 2 Excludes note represents “Not included here.” An excludes2 note indicates that the condition excluded is not part of the condition represented by the code, but a patient may have both conditions at the same time. When an Excludes2 note appears under a code, it is acceptable to use both the code and the excluded code together, when appropriate.
ICD-10-CM Official Guidelines FY2026

Quoted from the ICD-10-CM Official Guidelines for Coding and Reporting in effect for the release shown. The tabular notes above are the code-level instruction; these sections are the convention that says how such a note is applied. Source document (CMS PDF) · Release and checksum

Side by side

	J09-J18Influenza and pneumonia (J09-J18)	J69.0Pneumonitis due to inhalation of food and vomit
Billing status	Non-billable header	Billable
Classification	J00-J99 — Diseases of the Respiratory System (J00-J99)	J00-J99 — Diseases of the Respiratory System (J00-J99)
Definition	Influenza and pneumonia (J09-J18) is a non-billable ICD-10-CM category code (J09-J18).	Pneumonitis due to inhalation of food and vomit is a billable ICD-10-CM diagnosis code (J69.0).
Includes	—	Aspiration pneumonia NOS Aspiration pneumonia (due to) food (regurgitated) Aspiration pneumonia (due to) gastric secretions Aspiration pneumonia (due to) milk
Excludes1	—	chemical pneumonitis due to anesthesia (J95.4) obstetric aspiration pneumonitis (O74.0) neonatal aspiration syndromes (P24.-) postprocedural pneumonitis (J95.4)
Excludes2	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)	asthma (J45.-) malignant neoplasm of bronchus and lung (C34.-)
Use additional code	code, if applicable, to identify resistance to antimicrobial drugs (Z16.-)	—
Code also	—	any associated foreign body in respiratory tract (T17.-) , if applicable, other types of pneumonias, such as: bacterial pneumonia (J13-J15.-) viral pneumonia (J12.-)

Notes are the code’s own tabular entry, quoted as published. A note that names the other code is the one the verdict above rests on.

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Derived from the official CMS ICD-10-CM tabular data (FY2027). A coding-rule comparison, not billing advice: payer-specific edits and medical-necessity policy are outside its scope. All data sources