09N4XZZBillable procedure code

Release Left External Auditory Canal, External Approach

Medical and Surgical·Ear, Nose, Sinus·Table 09N·FY 2027

ICD-10-PCS classifies this procedure as 09N4XZZ: Release Left External Auditory Canal, 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