BB4 Ultrasonography - Respiratory System ICD-10-PCS
The BB4 code range contains 3 ICD-10-PCS codes for Ultrasonography procedures on the respiratory system. 2 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 BB4 Range 3 codes · 2 billable
About the BB4 Code Range
The ICD-10-PCS root operation Ultrasonography (BB4) refers to using ultrasound technology to create images of body structures. This operation is classified under the Imaging section and involves non-invasive scanning for diagnostic purposes.
Within this classification, Ultrasonography can be applied to various parts of the respiratory system. For example, the code BB4BZZZ is used for an ultrasound examination of the Pleura, while BB4CZZZ denotes ultrasonography of the Mediastinum. These codes highlight the procedure's ability to capture detailed images of chest structures to aid in diagnosis without surgical intervention. Employing the correct ICD-10-PCS ultrasonography codes ensures precise reporting of imaging studies in respiratory care settings.
Questions About This Page
How many billable codes are in the BB4 range?
Of the 3 codes in this range, 2 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 BB4 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 respiratory 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 2026 ICD-10-PCS order file and code tables, effective October 1, 2025 through September 30, 2026.
