BN1 Fluoroscopy - Skull and Facial Bones ICD-10-PCS
The BN1 code range contains 13 ICD-10-PCS codes for Fluoroscopy procedures on the skull and facial bones. 12 of the codes are billable and valid for inpatient claim submission in fiscal year 2026.
Root Operation Definition
Fluoroscopy: Single plane or bi-plane real time display of an image developed from the capture of external ionizing radiation on fluorescent screen. The image may also be stored by either digital or analog means.
Codes in the BN1 Range 13 codes · 12 billable
- BN1 Imaging, Skull and Facial Bones, FluoroscopyNon-billable header
- BN170ZZ Fluoroscopy of Right Temporomandibular Joint using High Osmolar Contrast
- BN171ZZ Fluoroscopy of Right Temporomandibular Joint using Low Osmolar Contrast
- BN17YZZ Fluoroscopy of Right Temporomandibular Joint using Other Contrast
- BN17ZZZ Fluoroscopy of Right Temporomandibular Joint
- BN180ZZ Fluoroscopy of Left Temporomandibular Joint using High Osmolar Contrast
- BN181ZZ Fluoroscopy of Left Temporomandibular Joint using Low Osmolar Contrast
- BN18YZZ Fluoroscopy of Left Temporomandibular Joint using Other Contrast
- BN18ZZZ Fluoroscopy of Left Temporomandibular Joint
- BN190ZZ Fluoroscopy of Bilateral Temporomandibular Joints using High Osmolar Contrast
- BN191ZZ Fluoroscopy of Bilateral Temporomandibular Joints using Low Osmolar Contrast
- BN19YZZ Fluoroscopy of Bilateral Temporomandibular Joints using Other Contrast
- BN19ZZZ Fluoroscopy of Bilateral Temporomandibular Joints
About the BN1 Code Range
The ICD-10-PCS root operation Fluoroscopy (code starting with BN1) refers to imaging techniques that provide real-time x-ray views of anatomical structures. This procedure is vital in diagnostic imaging, specifically within the Imaging section for areas such as the Skull and Facial Bones.
Fluoroscopy enables dynamic assessment of joints and bones, often enhanced by contrast media to improve visualization. The codes listed exemplify its use on the Temporomandibular Joints, with options for right, left, or bilateral imaging. Contrast types include High Osmolar, Low Osmolar, and Other Contrast, allowing for precise documentation based on the imaging technique and substances administered. For example, BN170ZZ describes fluoroscopy of the right temporomandibular joint with high osmolar contrast, while BN19ZZZ represents bilateral joint fluoroscopy without contrast. Accurate application of these fluoroscopy codes ensures detailed records of diagnostic procedures involving the skull and facial region.
Questions About This Page
How many billable codes are in the BN1 range?
Of the 13 codes in this range, 12 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 BN1 range classify?
The range classifies Fluoroscopy procedures, single plane or bi-plane real time display of an image developed from the capture of external ionizing radiation on fluorescent screen. The image may also be stored by either digital or analog means, 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 2026 ICD-10-PCS order file and code tables, effective October 1, 2025 through September 30, 2026.
