Convert ICD-9-CM Procedure 20.22 to ICD-10-PCS

ICD-9-CM Procedure 20.22 converts approximately to:
  • 2022 ICD-10-PCS 099B00Z Drainage of Right Mastoid Sinus with Drainage Device, Open Approach
    or:
  • 2022 ICD-10-PCS 099B0ZZ Drainage of Right Mastoid Sinus, Open Approach
    or:
  • 2022 ICD-10-PCS 099B40Z Drainage of Right Mastoid Sinus with Drainage Device, Percutaneous Endoscopic Approach
    or:
  • 2022 ICD-10-PCS 099B4ZZ Drainage of Right Mastoid Sinus, Percutaneous Endoscopic Approach
    or:
  • 2022 ICD-10-PCS 099C00Z Drainage of Left Mastoid Sinus with Drainage Device, Open Approach
    or:
  • 2022 ICD-10-PCS 099C0ZZ Drainage of Left Mastoid Sinus, Open Approach
    or:
  • 2022 ICD-10-PCS 099C40Z Drainage of Left Mastoid Sinus with Drainage Device, Percutaneous Endoscopic Approach
    or:
  • 2022 ICD-10-PCS 099C4ZZ Drainage of Left Mastoid Sinus, Percutaneous Endoscopic Approach

Note: approximate conversions between ICD-9-CM codes and ICD-10-PCS codes may require clinical interpretation in order to determine the most appropriate conversion code(s) for your specific coding situation.

Source: 2022 ICD-10-PCS CMS General Equivalence Mappings.