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J15

Non-billable

Bacterial pneumonia, not elsewhere classified

J15 is the ICD-10-CM code for Bacterial pneumonia, not elsewhere classified. It is a non-billable category code — use a more specific child code such as J15.0 for billing.

Status
Header (non-billable)
Chapter
J00-J99
Subcodes
10
Edition
FY2026

J00-J99 Diseases of the respiratory system

What this means — in plain language

MedlinePlus · NIH

What is pneumonia? Pneumonia is an infection in one or both of your lungs. It causes the air sacs of your lungs to fill up with fluid or pus. Pneumonia can range from mild to severe, depending on what caused it, your age, and your overall health. What causes pneumonia? Bacterial , viral , and fungal infections can cause pneumonia. Bacteria are the most common cause. Bacterial pneumonia can occur on its own. It can…

Read more about Pneumonia at MedlinePlus ↗

Source: U.S. National Library of Medicine (MedlinePlus). Informational only — not medical advice.

Includes

  • •bronchopneumonia due to bacteria other than S. pneumoniae and H. influenzae

Excludes1 — not coded here

  • •chlamydial pneumonia (J16.0)
  • •congenital pneumonia (P23.-)
  • •Legionnaires' disease (A48.1)
  • •spirochetal pneumonia (A69.8)

Code first

Notes

  • •, if applicable, any associated condition such as:
  • •abscess (J85.1)
  • •aspiration pneumonia (J69.-)

Conditions mapped to this code

MedlinePlus · NIH
E. coli Infections

Plain-language health-topic references grounded in MedlinePlus (NIH/NLM).

Frequently asked questions

What is ICD-10 code J15?
J15 is the ICD-10-CM code for "Bacterial pneumonia, not elsewhere classified". It falls under J00-J99 Diseases of the respiratory system.
Is J15 a billable code?
No — J15 is a non-billable header code. Use a more specific child code (such as J15.0) for billing.
What are the subcodes of J15?
J15 has 10 more specific child codes, including J15.0, J15.1, J15.2.
What is excluded from J15?
Excludes1 (not coded here): chlamydial pneumonia (J16.0); congenital pneumonia (P23.-); Legionnaires' disease (A48.1); spirochetal pneumonia (A69.8).

Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.

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