The Approach Open is identified by number "0" and occupies the 5th position in the ICD10-PCS procedure code structure.
Below a selection of ICD 10 PCS codes related to 09R90
Replace of R Auditory Ossicle with Synth Sub, Open Approach
Replace of R Auditory Ossicle with Autol Sub, Open Approach
Replace of R Auditory Ossicle with Nonaut Sub, Open Approach