BB34Z3ZMagnetic Resonance Imaging (MRI) of Bilateral Lungs using Hyperpolarized Xenon 129 (Xe-129)

  • Billable / Specific Code
ICD-10-PCS BB34Z3Z
CMS Source: FY 2026 ICD-10-PCS dataset. Effective Oct 1, 2025 – Sep 30, 2026.FacebookXLinkedInPrint

BB34Z3Z is a billable ICD-10-PCS procedure code for Magnetic Resonance Imaging (MRI) of Bilateral Lungs using Hyperpolarized Xenon 129 (Xe-129). 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
BB34Z3Z
Billable Status
Yes — Valid for Submission
Code Describes
Magnetic Resonance Imaging (MRI) of Bilateral Lungs using Hyperpolarized Xenon 129 (Xe-129)
Parent Code
BB3 Imaging, Respiratory System, Magnetic Resonance Imaging (MRI)
Short Description
MRI of Bi Lung using Hyperpolarized Xe-129

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
3Type3Magnetic Resonance Imaging (MRI)
4BodyPart4Lungs, Bilateral
5ContrastZNone
6Qualifier3Hyperpolarized Xenon 129 (Xe-129)
7QualifierZNone

Similar Procedure Codes

Questions About BB34Z3Z

Is BB34Z3Z a billable code?

Yes. BB34Z3Z is a complete seven-character ICD-10-PCS code, specific enough to report Magnetic Resonance Imaging (MRI) of Bilateral Lungs using Hyperpolarized Xenon 129 (Xe-129) on inpatient claims from October 1, 2025 through September 30, 2026.

What do the characters in BB34Z3Z mean?

BB34Z3Z breaks down character by character: the 1st character B is the Section (Imaging); the 2nd character B is the Body System (Respiratory System); the 3rd character 3 is the Type (Magnetic Resonance Imaging (MRI)); the 4th character 4 is the BodyPart (Lungs, Bilateral); the 5th character Z is the Contrast (None); the 6th character 3 is the Qualifier (Hyperpolarized Xenon 129 (Xe-129)); the 7th character Z is the Qualifier (None).