0CN20ZZBillable procedure code
Release Hard Palate, Open Approach
Medical and Surgical·Mouth and Throat·Table 0CN·FY 2027
ICD-10-PCS classifies this procedure as 0CN20ZZ: Release Hard Palate, Open Approach. Table 0CN, part of Section 0 (Medical and Surgical) contains it. The procedure targets the Mouth and Throat body system. The approach used is Open.
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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
Open: approach
Cutting through the skin or mucous membrane and any other body layers necessary to expose the site of the procedure