ICD-9-CM procedure code (retired)
23.5 — Implantation of tooth
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 23.5
23.5 is an ICD-9-CM procedure code for implantation of tooth. 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 0CMW0Z0 (Reattachment of Upper Tooth, Single, Open Approach), 0CMW0Z1 (Reattachment of Upper Tooth, Multiple, Open Approach) and 0CMW0Z2 (Reattachment of Upper Tooth, All, Open Approach). All of these are approximate matches, so review the record to pick the right one.
ICD-10-PCS equivalents
- 0CMW0Z0Reattachment of Upper Tooth, Single, Open Approachapproximate
- 0CMW0Z1Reattachment of Upper Tooth, Multiple, Open Approachapproximate
- 0CMW0Z2Reattachment of Upper Tooth, All, Open Approachapproximate
- 0CMWXZ0Reattachment of Upper Tooth, Single, External Approachapproximate
- 0CMWXZ1Reattachment of Upper Tooth, Multiple, External Approachapproximate
- 0CMWXZ2Reattachment of Upper Tooth, All, External Approachapproximate
- 0CMX0Z0Reattachment of Lower Tooth, Single, Open Approachapproximate
- 0CMX0Z1Reattachment of Lower Tooth, Multiple, Open Approachapproximate
- 0CMX0Z2Reattachment of Lower Tooth, All, Open Approachapproximate
- 0CMXXZ0Reattachment of Lower Tooth, Single, External Approachapproximate
- 0CMXXZ1Reattachment of Lower Tooth, Multiple, External Approachapproximate
- 0CMXXZ2Reattachment of Lower Tooth, All, External Approachapproximate
Common questions about 23.5
What is the ICD-10 code for ICD-9 23.5?
- The GEMs map 23.5 to ICD-10-PCS 0CMW0Z0, 0CMW0Z1, 0CMW0Z2, 0CMWXZ0, 0CMWXZ1, 0CMWXZ2 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.