BF4 Ultrasonography - Hepatobiliary System and Pancreas ICD-10-PCS
The BF4 code range contains 8 ICD-10-PCS codes for Ultrasonography procedures on the hepatobiliary system and pancreas. 7 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 the capture of reflected and attenuated high frequency sound waves.
Codes in the BF4 Range 8 codes · 7 billable
- BF4 Imaging, Hepatobiliary System and Pancreas, UltrasonographyNon-billable header
- BF40ZZZ Ultrasonography of Bile Ducts
- BF42ZZZ Ultrasonography of Gallbladder
- BF43ZZZ Ultrasonography of Gallbladder and Bile Ducts
- BF45ZZZ Ultrasonography of Liver
- BF46ZZZ Ultrasonography of Liver and Spleen
- BF47ZZZ Ultrasonography of Pancreas
- BF4CZZZ Ultrasonography of Hepatobiliary System, All
About the BF4 Code Range
The ICD-10-PCS root operation Ultrasonography (code BF4) refers to imaging procedures that use high-frequency sound waves to visualize internal organs. Classified under the Imaging section, this operation focuses on providing diagnostic images without invasive techniques.
Ultrasonography is commonly applied to the Hepatobiliary System and Pancreas, capturing detailed images of structures such as the Bile Ducts (BF40ZZZ), Gallbladder (BF42ZZZ), and Liver (BF45ZZZ). Some codes represent combined imaging of multiple organs, like the Gallbladder and Bile Ducts (BF43ZZZ) or the Liver and Spleen (BF46ZZZ). A comprehensive option exists for imaging the entire Hepatobiliary System (BF4CZZZ). These specific codes enable precise documentation of ultrasonography exams, supporting accurate clinical records and facilitating appropriate patient care focused on hepatobiliary and pancreatic conditions.
Questions About This Page
How many billable codes are in the BF4 range?
Of the 8 codes in this range, 7 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 BF4 range classify?
The range classifies Ultrasonography procedures, real time display of images of anatomy or flow information developed from the capture of reflected and attenuated high frequency sound waves, performed on the hepatobiliary system and pancreas. 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.
