BL43ZZZUltrasonography of Lower Extremity Tendons

  • Billable / Specific Code
ICD-10-PCS BL43ZZZ
CMS Source: FY 2026 ICD-10-PCS dataset. Effective Oct 1, 2025 – Sep 30, 2026.FacebookXLinkedInPrint

BL43ZZZ is a billable ICD-10-PCS procedure code for Ultrasonography of Lower Extremity Tendons. 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
BL43ZZZ
Billable Status
Yes — Valid for Submission
Code Describes
Ultrasonography of Lower Extremity Tendons
Parent Code
BL4 Imaging, Connective Tissue, Ultrasonography
Short Description
Ultrasonography of Lower Extremity Tendons

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 SystemLConnective Tissue
3Type4Ultrasonography
4BodyPart3Tendons, Lower Extremity
5ContrastZNone
6QualifierZNone
7QualifierZNone

Convert to ICD-9-PCS

Closest ICD-9-PCS equivalents for BL43ZZZ under the General Equivalence Mappings.

88.79
Approximate match.

Similar Procedure Codes

Questions About BL43ZZZ

Is BL43ZZZ a billable code?

Yes. BL43ZZZ is a complete seven-character ICD-10-PCS code, specific enough to report Ultrasonography of Lower Extremity Tendons on inpatient claims from October 1, 2025 through September 30, 2026.

What do the characters in BL43ZZZ mean?

BL43ZZZ breaks down character by character: the 1st character B is the Section (Imaging); the 2nd character L is the Body System (Connective Tissue); the 3rd character 4 is the Type (Ultrasonography); the 4th character 3 is the BodyPart (Tendons, Lower Extremity); 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 BL43ZZZ?

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