BH4 Ultrasonography - Skin, Subcutaneous Tissue and Breast ICD-10-PCS
The BH4 code range contains 9 ICD-10-PCS codes for Ultrasonography procedures on the skin, subcutaneous tissue and breast. 8 of the codes are billable and valid for inpatient claim submission in fiscal year 2026.
Root Operation Definition
Ultrasonography: Real time display of images of anatomy or flow information developed from thecapture of reflected and attenuated high frequency sound waves.
Codes in the BH4 Range 9 codes · 8 billable
- BH4 Imaging, Skin, Subcutaneous Tissue and Breast, UltrasonographyNon-billable header
- BH40ZZZ Ultrasonography of Right Breast
- BH41ZZZ Ultrasonography of Left Breast
- BH42ZZZ Ultrasonography of Bilateral Breasts
- BH47ZZZ Ultrasonography of Upper Extremity
- BH48ZZZ Ultrasonography of Lower Extremity
- BH49ZZZ Ultrasonography of Abdominal Wall
- BH4BZZZ Ultrasonography of Chest Wall
- BH4CZZZ Ultrasonography of Head and Neck
About the BH4 Code Range
The ICD-10-PCS root operation Ultrasonography (Code BH4) involves using ultrasound imaging to visualize internal structures without making an incision. This operation falls under the Imaging section and is essential for non-invasive diagnostic evaluation of various tissues.
Ultrasonography is applied to image the Skin, Subcutaneous Tissue, and Breast, as well as other anatomical regions like the extremities and chest wall, providing real-time assessment. For example, specific codes denote ultrasound exams of the Right Breast (BH40ZZZ), Left Breast (BH41ZZZ), and Bilateral Breasts (BH42ZZZ). Additional codes include ultrasonography of the Upper Extremity (BH47ZZZ), Lower Extremity (BH48ZZZ), Abdominal Wall (BH49ZZZ), Chest Wall (BH4BZZZ), and Head and Neck (BH4CZZZ). These codes facilitate precise documentation of ultrasound imaging procedures targeting specific body parts for diagnostic purposes.
Questions About This Page
How many billable codes are in the BH4 range?
Of the 9 codes in this range, 8 are billable and valid for inpatient claim submission from October 1, 2025 through September 30, 2026. Table header codes group them but cannot be reported on claims.
What does the BH4 range classify?
The range classifies Ultrasonography procedures, real time display of images of anatomy or flow information developed from thecapture of reflected and attenuated high frequency sound waves, performed on the skin, subcutaneous tissue and breast. Each code adds the body part, approach, device, and qualifier in characters four through seven, and links to its own reference page.
Related References
Source: CMS FY 2026 ICD-10-PCS order file and code tables, effective October 1, 2025 through September 30, 2026.
