K09
Non-billableCysts of oral region, not elsewhere classified
Cysts of oral region, not elsewhere classified
This is a header/category code. For billing purposes, use a more specific child code from the list below.
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 period (P04-P96)
- certain infectious and parasitic diseases (A00-B99)
- complications of pregnancy, childbirth and the puerperium (O00-O9A)
- congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)
- endocrine, nutritional and metabolic diseases (E00-E88)
- injury, poisoning and certain other consequences of external causes (S00-T88)
- neoplasms (C00-D49)
- symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)
- cysts of jaw (M27.0-, M27.4-)
- radicular cyst (K04.8)
Child Codes (4)
Also Known As / Clinical Terms
Frequently Asked Questions
What is ICD-10 code K09?
ICD-10-CM code K09 represents "Cysts of oral region, not elsewhere classified". It is a non-billable header code — use a more specific child code for billing purposes.
Is K09 a billable code?
No, K09 is a non-billable header code. You need to use one of its more specific child codes for billing. There are 4 child codes under K09.
What chapter is K09 in?
K09 is in Chapter 11: Diseases of the Digestive System (codes K00-K95).
What are the subcategories under K09?
K09 has 4 child codes, including: K09.0 (Developmental odontogenic cysts), K09.1 (Developmental (nonodontogenic) cysts of oral region), K09.8 (Other cysts of oral region, not elsewhere classified), K09.9 (Cyst of oral region, unspecified).
What are the UMLS CUIs for K09?
K09 is linked to 2 UMLS Concept Unique Identifiers: C0494708, C4290197. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
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.