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 0HPQX
Removal of Nonaut Sub from Finger Nail, Extern Approach
Removal of Autol Sub from Finger Nail, Extern Approach
Removal of Synth Sub from Finger Nail, Extern Approach
Removal of Drainage Device from Finger Nail, Extern Approach