BP4MZZZUltrasonography of Left Wrist

  • Billable / Specific Code
ICD-10-PCS BP4MZZZ
CMS Source: FY 2026 ICD-10-PCS dataset. Effective Oct 1, 2025 – Sep 30, 2026.FacebookXLinkedInPrint

BP4MZZZ is a billable ICD-10-PCS procedure code for Ultrasonography of Left Wrist. It is valid on HIPAA claims for fiscal year 2026 (October 1, 2025 through September 30, 2026). 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
BP4MZZZ
Billable Status
Yes — Valid for Submission
Code Describes
Ultrasonography of Left Wrist
Parent Code
Short Description
Ultrasonography of Left Wrist

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 SystemPNon-Axial Upper Bones
3Type4Ultrasonography
4BodyPartMWrist, Left
5ContrastZNone
6QualifierZNone
7QualifierZNone

Convert to ICD-9-PCS

Closest ICD-9-PCS equivalents for BP4MZZZ under the General Equivalence Mappings.

88.79
Approximate match.

Similar Procedure Codes

Questions About BP4MZZZ

Is BP4MZZZ a billable code?

Yes. BP4MZZZ is a complete seven-character ICD-10-PCS code, specific enough to report Ultrasonography of Left Wrist on inpatient claims from October 1, 2025 through September 30, 2026.

What do the characters in BP4MZZZ mean?

BP4MZZZ breaks down character by character: the 1st character B is the Section (Imaging); the 2nd character P is the Body System (Non-Axial Upper Bones); the 3rd character 4 is the Type (Ultrasonography); the 4th character M is the BodyPart (Wrist, Left); 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 BP4MZZZ?

Under the General Equivalence Mappings, Ultrasonography of Left Wrist crosswalks to ICD-9-PCS 88.79. The mapping is approximate, so confirm it fits the documentation.