J15
⚠ Non-billable
Bacterial pneumonia, not elsewhere classified
ICD-10-CM · FY2026 · Diseases of the Respiratory System
Code
J15
System
ICD-10-CM
Billable
No — use specific code
Effective
FY2026
Chapter
Diseases of the Respiratory System
Source
CMS / CDC NCHS
⚠ Verify before billing. Confirm against the current CMS/NCHS ICD-10-CM files and your payer's rules before claims submission.
Official coding notes
From CMS's ICD-10-CM Tabular List.
Includes
- bronchopneumonia due to bacteria other than S. pneumoniae and H. influenzae
Excludes1 — never code together
- chlamydial pneumonia (J16.0)
- congenital pneumonia (P23.-)
- Legionnaires' disease (A48.1)
- spirochetal pneumonia (A69.8)
Code first
- , if applicable, associated influenza (J09.X1, J10.0-, J11.0-)
Code also
- , if applicable, any associated condition such as:
- abscess (J85.1)
- aspiration pneumonia (J69.-)
Frequently asked questions
What is ICD-10 code J15?
ICD-10-CM code J15 represents Bacterial pneumonia, not elsewhere classified. It is a non-billable header code requiring a more specific subcategory in the Diseases of the Respiratory System chapter, effective October 1, 2025 – September 30, 2026.
Is J15 billable?
No. J15 is a non-billable header. Select a more specific subcategory for claims submission.
What chapter is J15 in?
J15 belongs to the Diseases of the Respiratory System chapter (J00–J99) of ICD-10-CM.
Related codes in the J15 category
J15.0
Pneumonia due to Klebsiella pneumoniae
Billable
J15.1
Pneumonia due to Pseudomonas
Billable
J15.2
Pneumonia due to staphylococcus
Non-billable
J15.3
Pneumonia due to streptococcus, group B
Billable
J15.4
Pneumonia due to other streptococci
Billable
J15.5
Pneumonia due to Escherichia coli
Billable
J15.6
Pneumonia due to other Gram-negative bacteria
Non-billable
J15.7
Pneumonia due to Mycoplasma pneumoniae
Billable
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