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 2W3NX
Immobilization of Right Upper Leg using Splint
Immobilization of Right Upper Leg using Brace
Immobilization of Right Upper Leg using Cast
Immobilization of Right Upper Leg using Other Device