BH4BZZZUltrasonography of Chest Wall
- Billable / Specific Code
BH4BZZZ is a billable ICD-10-PCS procedure code for Ultrasonography of Chest Wall. It is valid on HIPAA claims for fiscal year 2027 (October 1, 2026 through September 30, 2027). 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. In AHRQ's Clinical Classifications Software (CCSR), this procedure falls under Ultrasonography.
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 | H | Skin, Subcutaneous Tissue and Breast |
| 3 | Type | 4 | Ultrasonography |
| 4 | BodyPart | B | Chest Wall |
| 5 | Contrast | Z | None |
| 6 | Qualifier | Z | None |
| 7 | Qualifier | Z | None |
In the ICD-10-PCS Alphabetic Index
These FY 2027 ICD-10-PCS Alphabetic Index entries lead to this code:
To code ultrasonography of the chest wall, open the FY 2027 ICD-10-PCS Alphabetic Index at Ultrasonography, then the subterm Chest Wall. The entry lists BH4BZZZ directly as a complete, billable code.
Clinical Classification (CCSR)
AHRQ groups this procedure code into these clinical categories.
Convert to ICD-9-PCS
Closest ICD-9-PCS equivalents for this code under the General Equivalence Mappings.
Similar Procedure Codes
Questions About BH4BZZZ
Is BH4BZZZ a billable code?
Yes. This is a complete seven-character ICD-10-PCS code, specific enough to report Ultrasonography of Chest Wall on inpatient claims from October 1, 2026 through September 30, 2027.
What is the ICD-10-PCS code for ultrasonography of the chest wall?
The FY 2027 ICD-10-PCS Alphabetic Index entry Ultrasonography, Chest Wall is a direct entry for BH4BZZZ, Ultrasonography of Chest Wall, billable on inpatient claims from October 1, 2026 through September 30, 2027.
What do the characters in BH4BZZZ mean?
The code breaks down character by character: the 1st character B is the Section (Imaging); the 2nd character H is the Body System (Skin, Subcutaneous Tissue and Breast); the 3rd character 4 is the Type (Ultrasonography); the 4th character B is the BodyPart (Chest Wall); 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 BH4BZZZ?
Under the General Equivalence Mappings, Ultrasonography of Chest Wall crosswalks to ICD-9-PCS 88.79 (Other diagnostic ultrasound). The mapping is approximate, so confirm it fits the documentation.
