ICD-9-CM procedure code (retired)
20.93 — Repair of oval and round windows
ICD-9-CM was replaced by ICD-10 on October 1, 2015. These are the ICD-10-PCS equivalents from the CMS General Equivalence Mappings.
About ICD-9-CM 20.93
20.93 is an ICD-9-CM procedure code for repair of oval and round windows. ICD-9-CM was retired for U.S. claims on October 1, 2015, when ICD-10-PCS took over.
The CMS General Equivalence Mappings translate it to 4 ICD-10-PCS codes, such as 09Q50ZZ (Repair Right Middle Ear, Open Approach), 09Q58ZZ (Repair Right Middle Ear, Via Natural or Artificial Opening Endoscopic) and 09Q60ZZ (Repair Left Middle Ear, Open Approach). All of these are approximate matches, so review the record to pick the right one.
ICD-10-PCS equivalents
Common questions about 20.93
What is the ICD-10 code for ICD-9 20.93?
- The GEMs map 20.93 to ICD-10-PCS 09Q50ZZ, 09Q58ZZ, 09Q60ZZ and 09Q68ZZ.
GEMs are a translation aid, not a substitute for coding from the record. The 2027 ICD-10 code set has changed since the last GEMs release in 2018. Page updated September 29, 2026.