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 0GWKX
Revision of Drain Dev in Thyroid Gland, Extern Approach
Revision of Drainage Device in Thyroid Gland, Open Approach
Revision of Drain Dev in Thyroid Gland, Perc Endo Approach
Revision of Drainage Device in Thyroid Gland, Perc Approach