ICD-9-CM procedure code (retired)
23.73 — Apicoectomy
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 23.73
23.73 is an ICD-9-CM procedure code for apicoectomy. 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 6 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
- 0CBX0Z0Excision of Lower Tooth, Open Approach, Singleapproximate
- 0CBX0Z1Excision of Lower Tooth, Open Approach, Multipleapproximate
- 0CBX0Z2Excision of Lower Tooth, Open Approach, Allapproximate
Common questions about 23.73
What is the ICD-10 code for ICD-9 23.73?
- The GEMs map 23.73 to ICD-10-PCS 0CBW0Z0, 0CBW0Z1, 0CBW0Z2, 0CBX0Z0, 0CBX0Z1 and 0CBX0Z2.
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.