BL42ZZZUltrasonography of Upper Extremity Tendons
- Billable / Specific Code
BL42ZZZ is a billable ICD-10-PCS procedure code for Ultrasonography of Upper 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
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.
| Position | Designation | Value | Meaning |
|---|---|---|---|
| 1 | Section | B | Imaging |
| 2 | Body System | L | Connective Tissue |
| 3 | Type | 4 | Ultrasonography |
| 4 | BodyPart | 2 | Tendons, Upper Extremity |
| 5 | Contrast | Z | None |
| 6 | Qualifier | Z | None |
| 7 | Qualifier | Z | None |
Convert to ICD-9-PCS
Closest ICD-9-PCS equivalents for BL42ZZZ under the General Equivalence Mappings.
Similar Procedure Codes
Questions About BL42ZZZ
Is BL42ZZZ a billable code?
Yes. BL42ZZZ is a complete seven-character ICD-10-PCS code, specific enough to report Ultrasonography of Upper Extremity Tendons on inpatient claims from October 1, 2025 through September 30, 2026.
What do the characters in BL42ZZZ mean?
BL42ZZZ 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 2 is the BodyPart (Tendons, 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 BL42ZZZ?
Under the General Equivalence Mappings, Ultrasonography of Upper Extremity Tendons crosswalks to ICD-9-PCS 88.79. The mapping is approximate, so confirm it fits the documentation.
