BQ4 Ultrasonography - Non-Axial Lower Bones ICD-10-PCS
The BQ4 code range contains 7 ICD-10-PCS codes for Ultrasonography procedures on the non-axial lower bones. 6 of the codes are billable and valid for inpatient claim submission in fiscal year 2027.
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 BQ4 Range 7 codes · 6 billable
- BQ4 Imaging, Non-Axial Lower Bones, UltrasonographyNon-billable header
- BQ40ZZZ Ultrasonography of Right Hip
- BQ41ZZZ Ultrasonography of Left Hip
- BQ42ZZZ Ultrasonography of Bilateral Hips
- BQ47ZZZ Ultrasonography of Right Knee
- BQ48ZZZ Ultrasonography of Left Knee
- BQ49ZZZ Ultrasonography of Bilateral Knees
About the BQ4 Code Range
These procedures use high-frequency sound waves to show live images of hip or knee anatomy or flow information.
The fourth character identifies the hip or knee and whether the site is right, left, or bilateral. The fifth character records no contrast, and the sixth and seventh have no qualifiers.
Questions About This Page
How many billable codes are in the BQ4 range?
Of the 7 codes in this range, 6 are billable and valid for inpatient claim submission from October 1, 2026 through September 30, 2027. Table header codes group them but cannot be reported on claims.
What does the BQ4 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 non-axial lower bones. 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 2027 ICD-10-PCS order file and code tables, effective October 1, 2026 through September 30, 2027.
