BT4 Ultrasonography - Urinary System ICD-10-PCS
The BT4 code range contains 11 ICD-10-PCS codes for Ultrasonography procedures on the urinary system. 10 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 BT4 Range 11 codes · 10 billable
- BT4 Imaging, Urinary System, UltrasonographyNon-billable header
- BT40ZZZ Ultrasonography of Bladder
- BT41ZZZ Ultrasonography of Right Kidney
- BT42ZZZ Ultrasonography of Left Kidney
- BT43ZZZ Ultrasonography of Bilateral Kidneys
- BT45ZZZ Ultrasonography of Urethra
- BT46ZZZ Ultrasonography of Right Ureter
- BT47ZZZ Ultrasonography of Left Ureter
- BT48ZZZ Ultrasonography of Bilateral Ureters
- BT49ZZZ Ultrasonography of Kidney Transplant
- BT4JZZZ Ultrasonography of Kidneys and Bladder
About the BT4 Code Range
These procedures use sound waves to show live images of the urinary system’s anatomy or flow.
The fourth character identifies the bladder, urethra, right or left kidney, both kidneys, right or left ureter, both ureters, a kidney transplant, or the kidneys and bladder together. The fifth character specifies no contrast. The sixth and seventh characters have no qualifier.
Questions About This Page
How many billable codes are in the BT4 range?
Of the 11 codes in this range, 10 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 BT4 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 urinary system. 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.
