BN3 Magnetic Resonance Imaging (MRI) - Skull and Facial Bones ICD-10-PCS
The BN3 code range contains 3 ICD-10-PCS codes for Magnetic Resonance Imaging (MRI) procedures on the skull and facial bones. 2 of the codes are billable and valid for inpatient claim submission in fiscal year 2027.
Root Operation Definition
Magnetic Resonance Imaging (MRI): Computer reformatted digital display of multiplanar images developed from the capture of radio frequency signals emitted by nuclei in a body site excited within a magnetic field.
Codes in the BN3 Range 3 codes · 2 billable
About the BN3 Code Range
These MRI procedures use a magnetic field and radio signals to create images of the jaw joints on both sides from different angles.
The fourth character identifies the temporomandibular joints on both sides. The fifth distinguishes Other Contrast from None. The sixth and seventh characters are both None.
Questions About This Page
How many billable codes are in the BN3 range?
Of the 3 codes in this range, 2 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 BN3 range classify?
The range classifies Magnetic Resonance Imaging (MRI) procedures, computer reformatted digital display of multiplanar images developed from the capture of radio frequency signals emitted by nuclei in a body site excited within a magnetic field, performed on the skull and facial bones. 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.
