B23Imaging, Heart, Magnetic Resonance Imaging (MRI)

Imaging›Heart›Magnetic Resonance Imaging (MRI)
  • Non-Billable Header
ICD-10-PCS B23
CMS Source: FY 2026 ICD-10-PCS dataset. Effective Oct 1, 2025 – Sep 30, 2026.FacebookXLinkedInPrint

B23 is a non-billable ICD-10-PCS code that heads the group for Imaging, Heart, Magnetic Resonance Imaging (MRI), so it cannot be submitted on a claim; a more specific seven-character code is required. The root operation Magnetic Resonance Imaging (MRI) involves computer reformatted digital display of multiplanar images developed from the capture of radiofrequency signals emitted by nuclei in a body site excited within a magnetic field.

Code Identity

ICD-10-PCS Code
B23
Billable Status
No — Non-Billable Header
Code Describes
Imaging, Heart, Magnetic Resonance Imaging (MRI)
Short Description
Imaging, Heart, Magnetic Resonance Imaging (MRI)

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 System2Heart
3Operation3Magnetic Resonance Imaging (MRI)

Similar Procedure Codes

Questions About B23

Is B23 a billable code?

No. B23 is an incomplete heading for Imaging, Heart, Magnetic Resonance Imaging (MRI) and cannot be submitted on a claim. A complete seven-character code is required, such as B231Y0Z, B231YZZ, and B231ZZZ.