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ICD-10-CM Current in FY 2027

K09.1

Developmental (nonodontogenic) cysts of oral region

Release
FY 2027
Effective
Official source (opens in a new tab)

Hierarchy

Where K09.1 sits in the official hierarchy. Each level is the code it is classified under.

  1. K09 Parent Cysts of oral region, not elsewhere classified
  2. K09.1 This code Developmental (nonodontogenic) cysts of oral region

Official Coding Notes

Reproduced verbatim from the FY 2027 ICD-10-CM files. Notes labelled as inherited are declared on a parent code and apply here too.

Includes

lesions showing histological features both of aneurysmal cyst and of another fibro-osseous lesion

Inherited from K09 — Cysts of oral region, not elsewhere classified

Inclusion Terms

Cyst (of) incisive canal

Inclusion Terms

Cyst (of) palatine of papilla

Inclusion Terms

Globulomaxillary cyst

Inclusion Terms

Median palatal cyst

Inclusion Terms

Nasoalveolar cyst

Inclusion Terms

Nasolabial cyst

Inclusion Terms

Nasopalatine duct cyst

Excludes2

cysts of jaw ( M27.0- , M27.4- )

Inherited from K09 — Cysts of oral region, not elsewhere classified

Excludes2

radicular cyst ( K04.8 )

Inherited from K09 — Cysts of oral region, not elsewhere classified

Version History

How K09.1 appears in each release imported from the official files, newest first.

  1. FY 2027 Effective

    Current

    Developmental (nonodontogenic) cysts of oral region

  2. FY 2026 Effective

    Unchanged

    Developmental (nonodontogenic) cysts of oral region

Related Codes

Other codes under K09

Data Source

Code information on this page is derived from the FY 2027 ICD-10-CM files published by CDC NCHS and CMS.

Release
FY 2027
Effective
Source file
icd10cm-code-descriptions-2027.zip

Official ICD-10-CM source files (opens in a new tab)

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