J15.9Billable

Unspecified bacterial pneumonia

Chapter
10. Diseases of the respiratory system
Category
J15
Effective date
October 1, 2026

Related codes in category J15

Frequently asked questions

What is ICD-10 code J15.9?

J15.9 is an ICD-10-CM diagnosis code for Unspecified bacterial pneumonia.

Is J15.9 a billable code?

Yes. J15.9 is billable and specific enough to be used on a claim.

What ICD-10-CM chapter is J15.9 in?

J15.9 falls under Chapter 10: Diseases of the respiratory system.

When did J15.9 become effective?

J15.9 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.

What other codes are related to J15.9?

J15.9 belongs to category J15, which includes 12 other codes — see the related codes list on this page.

ICD-10-CM data maintained by CDC/CMS (public domain). Always verify codes with authoritative sources before making coding or billing decisions.