K09 ICD-10-CM Code: Cysts of oral region, not elsewhere classified
A clear reference for the official code description, hierarchy, and related coding information from the FY 2027 U.S. release.
Code definition
Official description
K09Cysts of oral region, not elsewhere classified
ICD-10-CM diagnosis code · United States clinical modification
Classification
Where K09 sits
- 1
Chapter 11
Diseases of the digestive system (K00-K95)
- 2
Section
Diseases of oral cavity and salivary glands (K00-K14)
- 3
Category K09
Cysts of oral region, not elsewhere classified
- 4
Code K09
Cysts of oral region, not elsewhere classified
More specific choices
Codes under K09
K09 is a non-billable category. Choose the child code that best matches the documented diagnosis.
Documentation details
Notes for this code
Inclusion terms
No inclusion terms are listed for K09.
Code first
No “code first” instruction is listed for K09.
Use additional code
No “use additional code” instruction is listed for K09.
Excludes1
Conditions that should not be reported together with this code.
No Excludes1 note is listed for K09.
Excludes2
Conditions not included here that may be reported separately when present.
- cysts of jaw (M27.0-, M27.4-)
- radicular cyst (K04.8)
Transparency
Source and release
This reference is generated from Vero’s ICD-10-CM description, hierarchy, and code-note dataset. The visible content and structured data share that source.
Review the CDC/NCHS ICD-10-CM sourceCode-specific guidance
Frequently asked questions
What does ICD-10-CM code K09 mean?
K09 is the FY 2027 U.S. ICD-10-CM code for “Cysts of oral region, not elsewhere classified.”
Is K09 a billable or specific ICD-10-CM code?
No. K09 has more specific child codes in the FY 2027 reference data. Select the code that matches the documentation and confirm the active code set and payer requirements.
Where is K09 located in ICD-10-CM?
K09 is listed in Chapter 11, Diseases of the digestive system (K00-K95), within Diseases of oral cavity and salivary glands (K00-K14) (K00–K14), under category K09, Cysts of oral region, not elsewhere classified.
What coding notes are listed for K09?
No inclusion terms are listed for K09 in this reference record. No code-first instruction is listed. No Excludes1 note is listed. Excludes2 notes: cysts of jaw (M27.0-, M27.4-); radicular cyst (K04.8).
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