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 0901X
Alteration of L Ext Ear with Nonaut Sub, Extern Approach
Alteration of L Ext Ear with Synth Sub, Perc Endo Approach
Alteration of L Ext Ear with Nonaut Sub, Perc Approach
Alteration of Left External Ear, Percutaneous Approach
Alteration of Left External Ear, Perc Endo Approach
Alteration of L Ext Ear with Autol Sub, Perc Approach
Alteration of Left External Ear, External Approach
Alteration of L Ext Ear with Nonaut Sub, Open Approach
Alteration of L Ext Ear with Synth Sub, Perc Approach
Alteration of L Ext Ear with Autol Sub, Extern Approach
Alteration of L Ext Ear with Synth Sub, Extern Approach
Alteration of Left External Ear, Open Approach
Alteration of L Ext Ear with Autol Sub, Open Approach
Alteration of L Ext Ear with Synth Sub, Open Approach
Alteration of L Ext Ear with Nonaut Sub, Perc Endo Approach