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 08CRX
Extirpation of Matter from L Low Eyelid, Extern Approach
Extirpation of Matter from Left Lower Eyelid, Perc Approach
Extirpation of Matter from Left Lower Eyelid, Open Approach