ICD-10-PCS Table 09N for Ear, Nose, Sinus, Release
The ICD-10-PCS table below specifies all the valid combinations of the remaining characters beyond the first 3 characters (09N)
in the Medical and Surgical section, Ear, Nose, Sinus body system, and Release root operation.
Each row in the table specifies the valid combination of values for characters 4-7.
The table contain only those combinations of values that result in a valid procedure code.