09N0XZZBillable procedure code
Release Right External Ear, External Approach
Medical and Surgical·Ear, Nose, Sinus·Table 09N·FY 2027
ICD-10-PCS classifies this procedure as 09N0XZZ: Release Right External Ear, External Approach. Table 09N, part of Section 0 (Medical and Surgical) contains it. The procedure targets the Ear, Nose, Sinus body system. The approach used is External.
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What the code means
Release: root operation
Freeing a body part from an abnormal physical constraint by cutting or by the use of force
Some of the restraining tissue may be taken out but none of the body part is taken out
Includes: Adhesiolysis, carpal tunnel release
External: approach
Procedures performed directly on the skin or mucous membrane and procedures performed indirectly by the application of external force through the skin or mucous membrane