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 0CB7X
Excision of Tongue, Percutaneous Approach
Excision of Tongue, External Approach, Diagnostic
Excision of Tongue, Open Approach
Excision of Tongue, External Approach
Excision of Tongue, Percutaneous Approach, Diagnostic
Excision of Tongue, Open Approach, Diagnostic