BB4Imaging, Respiratory System, Ultrasonography

Imaging›Respiratory System›Ultrasonography
  • Non-Billable Header
ICD-10-PCS BB4
CMS Source: FY 2026 ICD-10-PCS dataset. Effective Oct 1, 2025 – Sep 30, 2026.FacebookXLinkedInPrint

BB4 is a non-billable ICD-10-PCS code that heads the group for Imaging, Respiratory System, Ultrasonography, so it cannot be submitted on a claim; a more specific seven-character code is required. The root operation Ultrasonography involves real time display of images of anatomy or flow information developed from the capture of reflected and attenuated high frequency sound waves.

Code Identity

ICD-10-PCS Code
BB4
Billable Status
No — Non-Billable Header
Code Describes
Imaging, Respiratory System, Ultrasonography
Short Description
Imaging, Respiratory System, Ultrasonography

PCS Table Breakdown

Each ICD-10-PCS code is built from seven characters, each an axis of the procedure. Hover or tap the icons for the official CMS definitions.

PositionDesignationValueMeaning
1SectionBImaging
2Body SystemBRespiratory System
3Operation4Ultrasonography

Similar Procedure Codes

Questions About BB4

Is BB4 a billable code?

No. BB4 is an incomplete heading for Imaging, Respiratory System, Ultrasonography and cannot be submitted on a claim. A complete seven-character code is required, such as BB4BZZZ and BB4CZZZ.