ICD-9-CM procedure code (retired)
27.92 — Incision of mouth, unspecified structure
About ICD-9-CM 27.92
27.92 is an ICD-9-CM procedure code for incision of mouth, unspecified structure. 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 7 ICD-10-PCS codes, such as 0CPY0YZ (Removal of Other Device from Mouth and Throat, Open Approach), 0CPY3YZ (Removal of Other Device from Mouth and Throat, Percutaneous Approach) and 0CWY0YZ (Revision of Other Device in Mouth and Throat, Open Approach). All of these are approximate matches, so review the record to pick the right one.
ICD-10-PCS equivalents
- 0CPY0YZRemoval of Other Device from Mouth and Throat, Open Approachapproximate
- 0CPY3YZRemoval of Other Device from Mouth and Throat, Percutaneous Approachapproximate
- 0CWY0YZRevision of Other Device in Mouth and Throat, Open Approachapproximate
- 0CWY3YZRevision of Other Device in Mouth and Throat, Percutaneous Approachapproximate
- 0WC30ZZExtirpation of Matter from Oral Cavity and Throat, Open Approachapproximate
- 0WC33ZZExtirpation of Matter from Oral Cavity and Throat, Percutaneous Approachapproximate
- 0WC34ZZExtirpation of Matter from Oral Cavity and Throat, Percutaneous Endoscopic Approachapproximate
Common questions about 27.92
What is the ICD-10 code for ICD-9 27.92?
- The GEMs map 27.92 to ICD-10-PCS 0CPY0YZ, 0CPY3YZ, 0CWY0YZ, 0CWY3YZ, 0WC30ZZ, 0WC33ZZ and 1 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.