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 08RTX
Replace of L Conjunctiva with Nonaut Sub, Extern Approach
Replacement of L Conjunctiva with Autol Sub, Extern Approach
Replacement of L Conjunctiva with Synth Sub, Extern Approach