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 0994X
Drain L Ext Auditory Canal w Drain Dev, Extern
Drainage of L Ext Auditory Canal, Open Approach, Diagn
Drainage of L Ext Auditory Canal, Perc Approach, Diagn
Drainage of Left External Auditory Canal, Perc Approach
Drainage of Left External Auditory Canal, Endo
Drain of L Ext Auditory Canal with Drain Dev, Perc Approach
Drainage of L Ext Auditory Canal with Drain Dev, Via Opening
Drainage of Left External Auditory Canal, Endo, Diagn
Drainage of Left External Auditory Canal, External Approach
Drain L Ext Auditory Canal w Drain Dev, Perc Endo
Drainage of L Ext Auditory Canal, Perc Endo Approach, Diagn
Drain of L Ext Auditory Canal with Drain Dev, Open Approach
Drainage of Left External Auditory Canal, Via Opening
Drainage of Left External Auditory Canal, Via Opening, Diagn
Drainage of Left External Auditory Canal, Open Approach