2020 ICD-10-CM Diagnosis Code K09

Cysts of oral region, not elsewhere classified

    2016 2017 2018 2019 2020 Non-Billable/Non-Specific Code
  • K09 should not be used for reimbursement purposes as there are multiple codes below it that contain a greater level of detail.
  • The 2020 edition of ICD-10-CM K09 became effective on October 1, 2019.
  • This is the American ICD-10-CM version of K09 - other international versions of ICD-10 K09 may differ.
Type 2 Excludes
Type 2 Excludes Help
A type 2 excludes note represents "not included here". A type 2 excludes note indicates that the condition excluded is not part of the condition it is excluded from but a patient may have both conditions at the same time. When a type 2 excludes note appears under a code it is acceptable to use both the code (K09) and the excluded code together.
  • cysts of jaw (
    ICD-10-CM Diagnosis Code M27.0

    Developmental disorders of jaws

      2016 2017 2018 2019 2020 Billable/Specific Code
    Applicable To
    • Latent bone cyst of jaw
    • Stafne's cyst
    • Torus mandibularis
    • Torus palatinus
    M27.0-
    ,
    ICD-10-CM Diagnosis Code M27.4

    Other and unspecified cysts of jaw

      2016 2017 2018 2019 2020 Non-Billable/Non-Specific Code
    Type 1 Excludes
    • cysts of oral region (K09.-)
    • latent bone cyst of jaw (M27.0)
    • Stafne's cyst (M27.0)
    M27.4-
    )
  • radicular cyst (
    ICD-10-CM Diagnosis Code K04.8

    Radicular cyst

      2016 2017 2018 2019 2020 Billable/Specific Code
    Applicable To
    • Apical (periodontal) cyst
    • Periapical cyst
    • Residual radicular cyst
    Type 2 Excludes
    • lateral periodontal cyst (K09.0)
    K04.8
    )
Includes
Includes Help
"Includes" further defines, or give examples of, the content of the code or category.
  • lesions showing histological features both of aneurysmal cyst and of another fibro-osseous lesion
The following code(s) above K09 contain annotation back-references
Annotation Back-References
In this context, annotation back-references refer to codes that contain:
  • Applicable To annotations, or
  • Code Also annotations, or
  • Code First annotations, or
  • Excludes1 annotations, or
  • Excludes2 annotations, or
  • Includes annotations, or
  • Note annotations, or
  • Use Additional annotations
that may be applicable to K09:
  • K00-K95
    2020 ICD-10-CM Range K00-K95

    Diseases of the digestive system

    Type 2 Excludes
    • 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)
    Diseases of the digestive system
Code History
  • 2016 (effective 10/1/2015): New code (first year of non-draft ICD-10-CM)
  • 2017 (effective 10/1/2016): No change
  • 2018 (effective 10/1/2017): No change
  • 2019 (effective 10/1/2018): No change
  • 2020 (effective 10/1/2019): No change
Code annotations containing back-references to K09:
  • Type 1 Excludes: M27.4
    ICD-10-CM Diagnosis Code M27.4

    Other and unspecified cysts of jaw

      2016 2017 2018 2019 2020 Non-Billable/Non-Specific Code
    Type 1 Excludes
    • cysts of oral region (K09.-)
    • latent bone cyst of jaw (M27.0)
    • Stafne's cyst (M27.0)
  • Type 2 Excludes: K13
    ICD-10-CM Diagnosis Code K13

    Other diseases of lip and oral mucosa

      2016 2017 2018 2019 2020 Non-Billable/Non-Specific Code
    Includes
    • epithelial disturbances of tongue
    Type 2 Excludes
    • certain disorders of gingiva and edentulous alveolar ridge (K05-K06)
    • cysts of oral region (K09.-)
    • diseases of tongue (K14.-)
    • stomatitis and related lesions (K12.-)
    Use Additional
    • code to identify:
    • alcohol abuse and dependence (F10.-)
    • exposure to environmental tobacco smoke (Z77.22)
    • exposure to tobacco smoke in the perinatal period (P96.81)
    • history of tobacco dependence (Z87.891)
    • occupational exposure to environmental tobacco smoke (Z57.31)
    • tobacco dependence (F17.-)
    • tobacco use (Z72.0)
ICD-10-CM Codes Adjacent To K09
K08.539 …… unspecified
K08.54 Contour of existing restoration of tooth biologically incompatible with oral health
K08.55 Allergy to existing dental restorative material
K08.56 Poor aesthetic of existing restoration of tooth
K08.59 Other unsatisfactory restoration of tooth
K08.8 Other specified disorders of teeth and supporting structures
K08.81 Primary occlusal trauma
K08.82 Secondary occlusal trauma
K08.89 Other specified disorders of teeth and supporting structures
K08.9 Disorder of teeth and supporting structures, unspecified
K09 Cysts of oral region, not elsewhere classified
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
K11 Diseases of salivary glands
K11.0 Atrophy of salivary gland
K11.1 Hypertrophy of salivary gland
K11.2 Sialoadenitis
K11.20 …… unspecified
K11.21 Acute sialoadenitis

Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.