B91 Fluoroscopy - Ear, Nose, Mouth and Throat ICD-10-PCS
The B91 code range contains 5 ICD-10-PCS codes for Fluoroscopy procedures on the ear, nose, mouth and throat. 4 of the codes are billable and valid for inpatient claim submission in fiscal year 2027.
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 B91 Range 5 codes · 4 billable
About the B91 Code Range
Fluoroscopy displays live radiation images of the throat (pharynx) and its flap (epiglottis), or the voice box (larynx), on a fluorescent screen.
The fourth character distinguishes Pharynx and Epiglottis from Larynx. The fifth records Other Contrast or None. The sixth and seventh qualifiers are both None.
Questions About This Page
How many billable codes are in the B91 range?
Of the 5 codes in this range, 4 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 B91 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 ear, nose, mouth and throat. 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.
