091 Bypass - Ear, Nose, Sinus ICD-10-PCS
The 091 code range contains 9 ICD-10-PCS codes for Bypass procedures on the ear, nose, sinus. 8 of the codes are billable and valid for inpatient claim submission in fiscal year 2027.
Root Operation Definition
Bypass: Altering the route of passage of the contents of a tubular body part.
Codes in the 091 Range 9 codes · 8 billable
- 091 Ear, Nose, Sinus, BypassNon-billable header
- 091D070 Bypass Right Inner Ear to Endolymphatic with Autologous Tissue Substitute, Open Approach
- 091D0J0 Bypass Right Inner Ear to Endolymphatic with Synthetic Substitute, Open Approach
- 091D0K0 Bypass Right Inner Ear to Endolymphatic with Nonautologous Tissue Substitute, Open Approach
- 091D0Z0 Bypass Right Inner Ear to Endolymphatic, Open Approach
- 091E070 Bypass Left Inner Ear to Endolymphatic with Autologous Tissue Substitute, Open Approach
- 091E0J0 Bypass Left Inner Ear to Endolymphatic with Synthetic Substitute, Open Approach
- 091E0K0 Bypass Left Inner Ear to Endolymphatic with Nonautologous Tissue Substitute, Open Approach
- 091E0Z0 Bypass Left Inner Ear to Endolymphatic, Open Approach
About the 091 Code Range
These procedures reroute the contents of the right or left inner ear.
The fourth character distinguishes the right inner ear from the left. The fifth is Open, meaning the site is exposed by cutting through the layers covering it. The sixth identifies a substitute made from the patient’s tissue, synthetic material, tissue from another source, or No Device. The seventh is Endolymphatic, meaning related to inner-ear fluid.
Questions About This Page
How many billable codes are in the 091 range?
Of the 9 codes in this range, 8 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 091 range classify?
The range classifies Bypass procedures, altering the route of passage of the contents of a tubular body part, performed on the ear, nose, sinus. 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.
