J16
⚠ Non-billable
Pneumonia due to other infectious organisms, not elsewhere classified
ICD-10-CM · FY2026 · Diseases of the Respiratory System
Code
J16
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.
Excludes1 — never code together
- congenital pneumonia (P23.-)
- ornithosis (A70)
- pneumocystosis (B59)
- pneumonia NOS (J18.9)
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 J16?
ICD-10-CM code J16 represents Pneumonia due to other infectious organisms, 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 J16 billable?
No. J16 is a non-billable header. Select a more specific subcategory for claims submission.
What chapter is J16 in?
J16 belongs to the Diseases of the Respiratory System chapter (J00–J99) of ICD-10-CM.
Related codes in the J16 category
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