ICD-10-PCS Tabular Index · Section B · FY 2027 BW4

BW4 Ultrasonography - Anatomical Regions ICD-10-PCS

The BW4 code range contains 5 ICD-10-PCS codes for Ultrasonography procedures on the anatomical regions. 4 of the codes are billable and valid for inpatient claim submission in fiscal year 2027.

✓ Built from the official CMS FY 2027 datasetEffective Oct 1, 2026 – Sep 30, 2027
5
Procedure Codes
4
Billable Codes
BW4
Characters 1–3
BW
Parent Body System

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.

ICD-10-PCS

Codes in the BW4 Range 5 codes · 4 billable

5 of 5 shown
  • BW4 Imaging, Anatomical Regions, UltrasonographyNon-billable header
  • BW40ZZZ Ultrasonography of Abdomen
  • BW41ZZZ Ultrasonography of Abdomen and Pelvis
  • BW4FZZZ Ultrasonography of Neck
  • BW4GZZZ Ultrasonography of Pelvic Region

About the BW4 Code Range

These procedures use reflected high-frequency sound waves to display live images of anatomy or flow.

The fourth character identifies Abdomen, Abdomen and Pelvis, Neck, or Pelvic Region. The fifth character records no contrast, and the sixth and seventh characters have no qualifier.

Questions About This Page

How many billable codes are in the BW4 range?

Of the 5 codes in this range, 4 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 BW4 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 anatomical regions. 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.