BG4 Ultrasonography - Endocrine System ICD-10-PCS
The BG4 code range contains 6 ICD-10-PCS codes for Ultrasonography procedures on the endocrine system. 5 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 thecapture of reflected and attenuated high frequency sound waves.
Codes in the BG4 Range 6 codes · 5 billable
About the BG4 Code Range
These ultrasound procedures use reflected high-frequency sound waves to show endocrine glands or flow information in real time.
The fourth character identifies the right adrenal gland, left adrenal gland, both adrenal glands, parathyroid glands or thyroid gland. The fifth character records None for contrast. The sixth and seventh characters both record None for qualifiers.
Questions About This Page
How many billable codes are in the BG4 range?
Of the 6 codes in this range, 5 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 BG4 range classify?
The range classifies Ultrasonography procedures, real time display of images of anatomy or flow information developed from thecapture of reflected and attenuated high frequency sound waves, performed on the endocrine 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.
