ICD-9-CM procedure code (retired)
23.11 — Removal of residual root
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 23.11
23.11 is an ICD-9-CM procedure code for removal of residual root. 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 12 ICD-10-PCS codes, such as 0CBW0Z0 (Excision of Upper Tooth, Open Approach, Single), 0CBW0Z1 (Excision of Upper Tooth, Open Approach, Multiple) and 0CBW0Z2 (Excision of Upper Tooth, Open Approach, All). All of these are approximate matches, so review the record to pick the right one.
ICD-10-PCS equivalents
- 0CBW0Z0Excision of Upper Tooth, Open Approach, Singleapproximate
- 0CBW0Z1Excision of Upper Tooth, Open Approach, Multipleapproximate
- 0CBW0Z2Excision of Upper Tooth, Open Approach, Allapproximate
- 0CBWXZ0Excision of Upper Tooth, External Approach, Singleapproximate
- 0CBWXZ1Excision of Upper Tooth, External Approach, Multipleapproximate
- 0CBWXZ2Excision of Upper Tooth, External Approach, Allapproximate
- 0CBX0Z0Excision of Lower Tooth, Open Approach, Singleapproximate
- 0CBX0Z1Excision of Lower Tooth, Open Approach, Multipleapproximate
- 0CBX0Z2Excision of Lower Tooth, Open Approach, Allapproximate
- 0CBXXZ0Excision of Lower Tooth, External Approach, Singleapproximate
- 0CBXXZ1Excision of Lower Tooth, External Approach, Multipleapproximate
- 0CBXXZ2Excision of Lower Tooth, External Approach, Allapproximate
Common questions about 23.11
What is the ICD-10 code for ICD-9 23.11?
- The GEMs map 23.11 to ICD-10-PCS 0CBW0Z0, 0CBW0Z1, 0CBW0Z2, 0CBWXZ0, 0CBWXZ1, 0CBWXZ2 and 6 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.