The Approach External is identified by letter "X" and occupies the 5th position in the ICD10-PCS procedure code structure.
Below a selection of ICD 10 PCS codes related to 0HWPX
Revision of Autol Sub in Skin, Extern Approach
Revision of Synthetic Substitute in Skin, External Approach
Revision of Nonaut Sub in Skin, Extern Approach
Revision of Other Device in Skin, External Approach
Revision of Drainage Device in Skin, External Approach