K09.9
BillableCyst of oral region, unspecified
Cyst of oral region, unspecified
Coding Notes
Includes
Conditions included under this code
- lesions showing histological features both of aneurysmal cyst and of another fibro-osseous lesion
Excludes 2
Conditions not included here, but the patient may have both
- •certain conditions originating in the perinatal periodP04-P96
- •certain infectious and parasitic diseasesA00-B99
- •complications of pregnancy, childbirth and the puerperiumO9A)O00
- •congenital malformations, deformations and chromosomal abnormalitiesQ00-Q99
- •endocrine, nutritional and metabolic diseasesE00-E88
- •injury, poisoning and certain other consequences of external causesS00-T88
- •neoplasmsC00-D49
- •symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classifiedR00-R94
- •cysts of jaw,M27.0, M27.4
- •radicular cystK04.8
Related Codes(3)
ICD-11 Equivalents(1)
ICD-11 Equivalents
View full mappingCorresponding ICD-11 codes from the WHO crosswalk mapping
Also Known As / Clinical Terms(30)
UMLS
- Cyst of MouthC0494710
- Cyst of Oral CavityC0494710
- Cyst of oral region, unspecifiedC0494710
- Cyst of the MouthC0494710
- Cyst of the Oral CavityC0494710
- Mouth CystC0494710
- Mouth cystC0494710
- Oral Cavity CystC0494710
- Velar cystC0494710
- cyst mouthC0494710
- cyst oralC0494710
- cysts mouthC0494710
- cysts oralC0494710
- mouth cystC0494710
- oral cystC0494710
Clinical Terms
- cyst mouth
- Cyst of Oral Cavity
- cysts mouth
- Cyst of structure of internal part of mouth
- oral cyst
- Cyst of the Oral Cavity
- Cyst of Mouth
- Velar cyst
- cyst oral
- mouth cyst
- Cyst of the Mouth
- cysts oral
- Oral Cavity Cyst
Frequently Asked Questions
What is the ICD-10 code for cyst of oral region, unspecified?
The ICD-10-CM code for cyst of oral region, unspecified is K09.9. The full clinical description is "Cyst of oral region, unspecified". K09.9 is a billable/specific code that can be used on insurance claims and medical billing.
What does ICD-10 code K09.9 mean?
ICD-10-CM code K09.9 represents “Cyst of oral region, unspecified”. It is classified under Chapter 11: Diseases of the Digestive System and is a billable/specific code that can be used on a claim.
Is K09.9 a billable code?
Yes, K09.9 is a billable/specific ICD-10-CM code and can be used to indicate a diagnosis on a medical claim.
What chapter is K09.9 in?
K09.9 is in Chapter 11: Diseases of the Digestive System (codes K00-K95).
What SNOMED CT codes does K09.9 map to?
K09.9 maps to 1 SNOMED CT concept: 1089971000119108. SNOMED CT is a clinical terminology used in electronic health records.
What are the UMLS CUIs for K09.9?
K09.9 is linked to 1 UMLS Concept Unique Identifier: C0494710. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
How does K09.9 relate to ICF functioning codes?
ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like cyst of oral region, unspecified affect a person's functioning — body functions, activities, participation, and environmental factors. AutoICD provides ICF Core Sets for 12+ conditions and can map clinical text to ICF categories automatically. Browse the ICF directory to explore functioning codes.
What is the ICD-11 equivalent of K09.9?
K09.9 maps to the ICD-11 code: DA05.Z (Cysts of oral or facial-neck region, unspecified).
Automate ICD-10 Coding With AI
Send clinical text to the AutoICD API and get back structured ICD-10 codes with confidence scores. Integrates into any EHR or billing system in minutes.
Includes SNOMED Clinical Terms® (SNOMED CT®) used by permission of SNOMED International. Includes content from the UMLS Metathesaurus, courtesy of the U.S. National Library of Medicine.