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 2W3UX
Immobilization of Right Toe using Cast
Immobilization of Right Toe using Other Device
Immobilization of Right Toe using Splint
Immobilization of Right Toe using Brace