ICD-9-CM procedure code (retired)
84.92 — Separation of equal conjoined twins
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 84.92
84.92 is an ICD-9-CM procedure code for separation of equal conjoined twins. 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 15 ICD-10-PCS codes, such as 0WQ00ZZ (Repair Head, Open Approach), 0WQ03ZZ (Repair Head, Percutaneous Approach) and 0WQ04ZZ (Repair Head, Percutaneous Endoscopic Approach). All of these are approximate matches, so review the record to pick the right one.
ICD-10-PCS equivalents
- 0WQ00ZZRepair Head, Open Approachapproximate
- 0WQ03ZZRepair Head, Percutaneous Approachapproximate
- 0WQ04ZZRepair Head, Percutaneous Endoscopic Approachapproximate
- 0WQ80ZZRepair Chest Wall, Open Approachapproximate
- 0WQ83ZZRepair Chest Wall, Percutaneous Approachapproximate
- 0WQ84ZZRepair Chest Wall, Percutaneous Endoscopic Approachapproximate
- 0WQF0ZZRepair Abdominal Wall, Open Approachapproximate
- 0WQF3ZZRepair Abdominal Wall, Percutaneous Approachapproximate
- 0WQF4ZZRepair Abdominal Wall, Percutaneous Endoscopic Approachapproximate
- 0WQK0ZZRepair Upper Back, Open Approachapproximate
- 0WQK3ZZRepair Upper Back, Percutaneous Approachapproximate
- 0WQK4ZZRepair Upper Back, Percutaneous Endoscopic Approachapproximate
- 0WQL0ZZRepair Lower Back, Open Approachapproximate
- 0WQL3ZZRepair Lower Back, Percutaneous Approachapproximate
- 0WQL4ZZRepair Lower Back, Percutaneous Endoscopic Approachapproximate
Common questions about 84.92
What is the ICD-10 code for ICD-9 84.92?
- The GEMs map 84.92 to ICD-10-PCS 0WQ00ZZ, 0WQ03ZZ, 0WQ04ZZ, 0WQ80ZZ, 0WQ83ZZ, 0WQ84ZZ and 9 more.
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.