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 0CR4X
Replacement of Buccal Mucosa with Nonaut Sub, Open Approach
Replacement of Buccal Mucosa with Synth Sub, Perc Approach
Replacement of Buccal Mucosa with Synth Sub, Extern Approach
Replacement of Buccal Mucosa with Synth Sub, Open Approach
Replacement of Buccal Mucosa with Nonaut Sub, Perc Approach
Replacement of Buccal Mucosa with Autol Sub, Perc Approach
Replacement of Buccal Mucosa with Autol Sub, Extern Approach
Replace of Buccal Mucosa with Nonaut Sub, Extern Approach
Replacement of Buccal Mucosa with Autol Sub, Open Approach