BL4Imaging, Connective Tissue, Ultrasonography
- Non-Billable Header
BL4 is a non-billable ICD-10-PCS code that heads the group for Imaging, Connective Tissue, Ultrasonography, so it cannot be submitted on a claim; a more specific seven-character code is required. 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.
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 | L | Connective Tissue |
| 3 | Operation | 4 | Ultrasonography |
In the ICD-10-PCS Alphabetic Index
These FY 2027 ICD-10-PCS Alphabetic Index entries lead to this code:
To code imaging of the diagnostic, open the FY 2027 ICD-10-PCS Alphabetic Index at Imaging, then the subterm diagnostic. The index leads to table BL4, where the approach, device and qualifier values shown in the breakdown above complete the seven-character code BL4.
