BG3 Magnetic Resonance Imaging (MRI) - Endocrine System ICD-10-PCS
The BG3 code range contains 10 ICD-10-PCS codes for Magnetic Resonance Imaging (MRI) procedures on the endocrine system. 9 of the codes are billable and valid for inpatient claim submission in fiscal year 2026.
Root Operation Definition
Magnetic Resonance Imaging (MRI): Computer reformatted digital display of multiplanar imagesdeveloped from the capture of radiofrequency signals emitted by nuclei in a body site excitedwithin a magnetic field.
Codes in the BG3 Range 10 codes · 9 billable
- BG3 Imaging, Endocrine System, Magnetic Resonance Imaging (MRI)Non-billable header
- BG32Y0Z Magnetic Resonance Imaging (MRI) of Bilateral Adrenal Glands using Other Contrast, Unenhanced and Enhanced
- BG32YZZ Magnetic Resonance Imaging (MRI) of Bilateral Adrenal Glands using Other Contrast
- BG32ZZZ Magnetic Resonance Imaging (MRI) of Bilateral Adrenal Glands
- BG33Y0Z Magnetic Resonance Imaging (MRI) of Parathyroid Glands using Other Contrast, Unenhanced and Enhanced
- BG33YZZ Magnetic Resonance Imaging (MRI) of Parathyroid Glands using Other Contrast
- BG33ZZZ Magnetic Resonance Imaging (MRI) of Parathyroid Glands
- BG34Y0Z Magnetic Resonance Imaging (MRI) of Thyroid Gland using Other Contrast, Unenhanced and Enhanced
- BG34YZZ Magnetic Resonance Imaging (MRI) of Thyroid Gland using Other Contrast
- BG34ZZZ Magnetic Resonance Imaging (MRI) of Thyroid Gland
About the BG3 Code Range
The ICD-10-PCS root operation BG3 - Magnetic Resonance Imaging (MRI) refers to the use of MRI technology to create detailed images of body parts within the Imaging section. This noninvasive procedure captures high-resolution images to aid in diagnosis and treatment planning without altering the body structures.
Specifically, within this classification, MRI is utilized for imaging the Endocrine System organs such as the Adrenal Glands, Parathyroid Glands, and Thyroid Gland. The provided codes demonstrate variations in imaging techniques including enhanced and unenhanced studies using different contrast media. For example, code BG32Y0Z represents an MRI of the bilateral adrenal glands with other contrast, both unenhanced and enhanced, while BG34ZZZ denotes a basic MRI of the thyroid gland without contrast. These specific MRI codes enable precise documentation of the imaging procedure performed on endocrine organs, facilitating accurate clinical communication and billing.
Questions About This Page
How many billable codes are in the BG3 range?
Of the 10 codes in this range, 9 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 BG3 range classify?
The range classifies Magnetic Resonance Imaging (MRI) procedures, computer reformatted digital display of multiplanar imagesdeveloped from the capture of radiofrequency signals emitted by nuclei in a body site excitedwithin a magnetic field, 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 2026 ICD-10-PCS order file and code tables, effective October 1, 2025 through September 30, 2026.
