B231ZZZMagnetic Resonance Imaging (MRI) of Multiple Coronary Arteries

  • Billable / Specific Code
ICD-10-PCS B231ZZZ
CMS Source: FY 2026 ICD-10-PCS dataset. Effective Oct 1, 2025 – Sep 30, 2026.FacebookXLinkedInPrint

B231ZZZ is a billable ICD-10-PCS procedure code for Magnetic Resonance Imaging (MRI) of Multiple Coronary Arteries. It is valid on HIPAA claims for fiscal year 2026 (October 1, 2025 through September 30, 2026). 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
B231ZZZ
Billable Status
Yes — Valid for Submission
Code Describes
Magnetic Resonance Imaging (MRI) of Multiple Coronary Arteries
Parent Code
B23 Imaging, Heart, Magnetic Resonance Imaging (MRI)
Short Description
Magnetic Resonance Imaging (MRI) of Mult Cor Art

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
3Type3Magnetic Resonance Imaging (MRI)
4BodyPart1Coronary Arteries, Multiple
5ContrastZNone
6QualifierZNone
7QualifierZNone

Convert to ICD-9-PCS

Closest ICD-9-PCS equivalents for B231ZZZ under the General Equivalence Mappings.

88.97
Approximate match.

Similar Procedure Codes

Questions About B231ZZZ

Is B231ZZZ a billable code?

Yes. B231ZZZ is a complete seven-character ICD-10-PCS code, specific enough to report Magnetic Resonance Imaging (MRI) of Multiple Coronary Arteries on inpatient claims from October 1, 2025 through September 30, 2026.

What do the characters in B231ZZZ mean?

B231ZZZ breaks down character by character: the 1st character B is the Section (Imaging); the 2nd character 2 is the Body System (Heart); the 3rd character 3 is the Type (Magnetic Resonance Imaging (MRI)); the 4th character 1 is the BodyPart (Coronary Arteries, Multiple); the 5th character Z is the Contrast (None); the 6th character Z is the Qualifier (None); the 7th character Z is the Qualifier (None).

What is the ICD-9-PCS equivalent of B231ZZZ?

Under the General Equivalence Mappings, Magnetic Resonance Imaging (MRI) of Multiple Coronary Arteries crosswalks to ICD-9-PCS 88.97. The mapping is approximate, so confirm it fits the documentation.