ICD-9-CM procedure code (retired)
24.6 — Exposure 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 24.6
24.6 is an ICD-9-CM procedure code for exposure 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 6 ICD-10-PCS codes, such as 0CN50ZZ (Release Upper Gingiva, Open Approach), 0CN53ZZ (Release Upper Gingiva, Percutaneous Approach) and 0CN5XZZ (Release Upper Gingiva, External Approach). All of these are approximate matches, so review the record to pick the right one.
ICD-10-PCS equivalents
- 0CN50ZZRelease Upper Gingiva, Open Approachapproximate
- 0CN53ZZRelease Upper Gingiva, Percutaneous Approachapproximate
- 0CN5XZZRelease Upper Gingiva, External Approachapproximate
- 0CN60ZZRelease Lower Gingiva, Open Approachapproximate
- 0CN63ZZRelease Lower Gingiva, Percutaneous Approachapproximate
- 0CN6XZZRelease Lower Gingiva, External Approachapproximate
Common questions about 24.6
What is the ICD-10 code for ICD-9 24.6?
- The GEMs map 24.6 to ICD-10-PCS 0CN50ZZ, 0CN53ZZ, 0CN5XZZ, 0CN60ZZ, 0CN63ZZ and 0CN6XZZ.
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.