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ICD-9-CM procedure code (retired)

27.1 — Incision of palate

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 27.1

27.1 is an ICD-9-CM procedure code for incision of palate. 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 0C9200Z (Drainage of Hard Palate with Drainage Device, Open Approach), 0C920ZZ (Drainage of Hard Palate, Open Approach) and 0C92X0Z (Drainage of Hard Palate with Drainage Device, External Approach). All of these are approximate matches, so review the record to pick the right one.

ICD-10-PCS equivalents

Common questions about 27.1

What is the ICD-10 code for ICD-9 27.1?

The GEMs map 27.1 to ICD-10-PCS 0C9200Z, 0C920ZZ, 0C92X0Z, 0C92XZZ, 0C9300Z, 0C930ZZ 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.