---
title: "ICD-10-CM J18.0: Bronchopneumonia, unspecified organism | BillingBrief"
description: "ICD-10-CM code J18.0: Bronchopneumonia, unspecified organism. Category, related codes, and the official source, in plain English."
canonical: "https://billingbrief.com/icd10/j18.0/"
language: "en"
---

# J18.0 Bronchopneumonia, unspecified organism

ICD-10-CM · [CMS code reference](#source)

**Official ICD-10-CM description:** Bronchopneumonia, unspecified organism

## Coding notes

From the ICD-10-CM FY2027 (effective October 1, 2026) tabular list. Notes on a parent code or category apply here too.

### Excludes1

Not coded together with this code. The exception is when the two conditions are unrelated to each other.

-   hypostatic bronchopneumonia ([J18.2](https://billingbrief.com/icd10/j18.2/))
-   lipid pneumonia (J69.1)
-   congenital pneumonia (P23.0)
-   drug-induced interstitial lung disorder (J70.2-J70.4)
-   interstitial pneumonia NOS (J84.9)
-   neonatal aspiration pneumonia (P24.-)
-   pneumonitis due to fumes and vapors (J68.0)
-   usual interstitial pneumonia (J84.178)

### Excludes2

Not part of this code, but both can be coded when both are documented.

-   acute bronchiolitis (J21.-)
-   chronic bronchiolitis ([J44.89](https://billingbrief.com/icd10/j44.89/))
-   other specified chronic obstructive pulmonary disease ([J44.89](https://billingbrief.com/icd10/j44.89/))
-   abscess of lung with pneumonia (J85.1)
-   aspiration pneumonia due to anesthesia during labor and delivery (O74.0)
-   aspiration pneumonia due to anesthesia during pregnancy (O29)
-   aspiration pneumonia due to anesthesia during puerperium (O89.0)
-   aspiration pneumonia due to solids and liquids (J69.-)
-   aspiration pneumonia NOS (J69.0)
-   lipid pneumonia (J69.1)
-   pneumonitis due to external agents (J67-J70)
-   allergic or eosinophilic pneumonia (J82)
-   meconium pneumonia (P24.01)
-   neonatal aspiration pneumonia (P24.-)
-   pneumonia due to solids and liquids (J69.-)
-   congenital pneumonia (P23.9)
-   rheumatic pneumonia (I00)
-   ventilator associated pneumonia (J95.851)

### Code first

Code the underlying condition first, then this code.

-   , if applicable, associated influenza (J09.X1, J10.0-, J11.0-)

### Use additional code

Add a second code for the following, when documented.

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

### Code also

A second code may be needed. Sequencing depends on the encounter.

-   , if applicable, any associated condition such as:
-   aspiration pneumonia (J69.-)

## Related codes

-   [`J18.1` Lobar pneumonia, unspecified organism ICD-10-CM](https://billingbrief.com/icd10/j18.1/)
-   [`J18.2` Hypostatic pneumonia, unspecified organism ICD-10-CM](https://billingbrief.com/icd10/j18.2/)
-   [`J18.8` Other pneumonia, unspecified organism ICD-10-CM](https://billingbrief.com/icd10/j18.8/)
-   [`J18.9` Pneumonia, unspecified organism ICD-10-CM](https://billingbrief.com/icd10/j18.9/)

## Common questions

### Is J18.0 a billable code?

Yes. J18.0 is a billable ICD-10-CM code in the ICD-10-CM FY2027 (effective October 1, 2026) code set.

## From the source

Official description from [CMS](https://www.cms.gov/medicare/coding-billing/icd-10-codes).
ICD-10-CM FY2027 (effective October 1, 2026).

Code set

ICD-10-CM

Category

J18 Pneumonia, unspecified organism

Chapter

Diseases of the respiratory system

Billable

Yes

Educational reference only. Not medical, legal, or billing advice. Always check the current official code set and payer policy before you bill. [About BillingBrief and our sources](https://billingbrief.com/about/).