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 0CUNX
Supplement Uvula with Autol Sub, Perc Approach
Supplement Uvula with Nonaut Sub, Perc Approach
Supplement Uvula with Nonaut Sub, Extern Approach
Supplement Uvula with Nonaut Sub, Open Approach
Supplement Uvula with Synthetic Substitute, Open Approach
Supplement Uvula with Synthetic Substitute, Extern Approach
Supplement Uvula with Autol Sub, Open Approach
Supplement Uvula with Autol Sub, Extern Approach
Supplement Uvula with Synthetic Substitute, Perc Approach