BW4Imaging, Anatomical Regions, Ultrasonography

Imaging›Anatomical Regions›Ultrasonography
  • Non-Billable Header
ICD-10-PCS BW4
CMS Source: FY 2026 ICD-10-PCS dataset. Effective Oct 1, 2025 – Sep 30, 2026.FacebookXLinkedInPrint

BW4 is a non-billable ICD-10-PCS code that heads the group for Imaging, Anatomical Regions, 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
BW4
Billable Status
No — Non-Billable Header
Code Describes
Imaging, Anatomical Regions, Ultrasonography
Short Description
Imaging, Anatomical Regions, 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 SystemWAnatomical Regions
3Operation4Ultrasonography

Similar Procedure Codes

Questions About BW4

Is BW4 a billable code?

No. BW4 is an incomplete heading for Imaging, Anatomical Regions, Ultrasonography and cannot be submitted on a claim. A complete seven-character code is required, such as BW40ZZZ, BW41ZZZ, and BW4FZZZ.