BL40ZZZUltrasonography of Upper Extremity Connective Tissue

  • Billable / Specific Code
ICD-10-PCS BL40ZZZ
CMS Source: FY 2026 ICD-10-PCS dataset. Effective Oct 1, 2025 – Sep 30, 2026.FacebookXLinkedInPrint

BL40ZZZ is a billable ICD-10-PCS procedure code for Ultrasonography of Upper Extremity Connective Tissue. 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
BL40ZZZ
Billable Status
Yes — Valid for Submission
Code Describes
Ultrasonography of Upper Extremity Connective Tissue
Parent Code
BL4 Imaging, Connective Tissue, Ultrasonography
Short Description
Ultrasonography of Upper Extremity Connective Tissue

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
4BodyPart0Connective Tissue, Upper Extremity
5ContrastZNone
6QualifierZNone
7QualifierZNone

Convert to ICD-9-PCS

Closest ICD-9-PCS equivalents for BL40ZZZ under the General Equivalence Mappings.

88.79
Approximate match.

Similar Procedure Codes

Questions About BL40ZZZ

Is BL40ZZZ a billable code?

Yes. BL40ZZZ is a complete seven-character ICD-10-PCS code, specific enough to report Ultrasonography of Upper Extremity Connective Tissue on inpatient claims from October 1, 2025 through September 30, 2026.

What do the characters in BL40ZZZ mean?

BL40ZZZ 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 0 is the BodyPart (Connective Tissue, Upper 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 BL40ZZZ?

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