The Body Part Toe Nail is identified by letter "R" and occupies the 4th position in the ICD10-PCS procedure code structure.
Below a selection of ICD 10 PCS codes related to 0HWR
Revision of Drainage Device in Toe Nail, External Approach
Revision of Synth Sub in Toe Nail, Extern Approach
Revision of Autol Sub in Toe Nail, Extern Approach
Revision of Nonaut Sub in Toe Nail, Extern Approach