B04Imaging, Central Nervous System, Ultrasonography

Imaging›Central Nervous System›Ultrasonography
  • Non-Billable Header
ICD-10-PCS B04
CMS Source: FY 2026 ICD-10-PCS dataset. Effective Oct 1, 2025 – Sep 30, 2026.FacebookXLinkedInPrint

B04 is a non-billable ICD-10-PCS code that heads the group for Imaging, Central Nervous 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
B04
Billable Status
No — Non-Billable Header
Code Describes
Imaging, Central Nervous System, Ultrasonography
Short Description
Imaging, Central Nervous 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 System0Central Nervous System
3Operation4Ultrasonography

Similar Procedure Codes

Questions About B04

Is B04 a billable code?

No. B04 is an incomplete heading for Imaging, Central Nervous System, Ultrasonography and cannot be submitted on a claim. A complete seven-character code is required, such as B040ZZZ and B04BZZZ.