The Operation Change is identified by number "2" and occupies the 3rd position in the ICD10-PCS procedure code structure.
Below a selection of ICD 10 PCS codes related to 0C2
Change Drainage Device in Mouth and Throat, Extern Approach
Change Other Device in Mouth and Throat, External Approach
Change Other Device in Salivary Gland, External Approach
Change Drainage Device in Salivary Gland, External Approach
Change Drainage Device in Larynx, External Approach
Change Other Device in Larynx, External Approach