2019 ICD-10-CM Diagnosis Code K09.0

Developmental odontogenic cysts

    2016 2017 2018 2019 Billable/Specific Code
  • K09.0 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
  • The 2019 edition of ICD-10-CM K09.0 became effective on October 1, 2018.
  • This is the American ICD-10-CM version of K09.0 - other international versions of ICD-10 K09.0 may differ.
Applicable To
  • Dentigerous cyst
  • Eruption cyst
  • Follicular cyst
  • Gingival cyst
  • Lateral periodontal cyst
  • Primordial cyst
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 (K09.0) and the excluded code together.
  • keratocysts (
    ICD-10-CM Diagnosis Code D16.4

    Benign neoplasm of bones of skull and face

      2016 2017 2018 2019 Billable/Specific Code
    Applicable To
    • Benign neoplasm of maxilla (superior)
    • Benign neoplasm of orbital bone
    • Keratocyst of maxilla
    • Keratocystic odontogenic tumor of maxilla
    Type 2 Excludes
    • benign neoplasm of lower jaw bone (D16.5)
    D16.4
    ,
    ICD-10-CM Diagnosis Code D16.5

    Benign neoplasm of lower jaw bone

      2016 2017 2018 2019 Billable/Specific Code
    Applicable To
    • Keratocyst of mandible
    • Keratocystic odontogenic tumor of mandible
    D16.5
    )
  • odontogenic keratocystic tumors (
    ICD-10-CM Diagnosis Code D16.4

    Benign neoplasm of bones of skull and face

      2016 2017 2018 2019 Billable/Specific Code
    Applicable To
    • Benign neoplasm of maxilla (superior)
    • Benign neoplasm of orbital bone
    • Keratocyst of maxilla
    • Keratocystic odontogenic tumor of maxilla
    Type 2 Excludes
    • benign neoplasm of lower jaw bone (D16.5)
    D16.4
    ,
    ICD-10-CM Diagnosis Code D16.5

    Benign neoplasm of lower jaw bone

      2016 2017 2018 2019 Billable/Specific Code
    Applicable To
    • Keratocyst of mandible
    • Keratocystic odontogenic tumor of mandible
    D16.5
    )
The following code(s) above K09.0 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 K09.0:
  • K00-K95
    2019 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
  • K09
    ICD-10-CM Diagnosis Code K09

    Cysts of oral region, not elsewhere classified

      2016 2017 2018 2019 Non-Billable/Non-Specific Code
    Includes
    • lesions showing histological features both of aneurysmal cyst and of another fibro-osseous lesion
    Type 2 Excludes
    Cysts of oral region, not elsewhere classified
Approximate Synonyms
  • Developmental odontogenic cyst
  • Eruption cyst
  • Odontogenic cyst
Clinical Information
  • Cyst due to the occlusion of the duct of a follicle or small gland.
  • Most common follicular odontogenic cyst. Occurs in relation to a partially erupted or unerupted tooth with at least the crown of the tooth to which the cyst is attached protruding into the cystic cavity. May give rise to an ameloblastoma and, in rare instances, undergo malignant transformation.
ICD-10-CM K09.0 is grouped within Diagnostic Related Group(s) (MS-DRG v36.0):
  • 011 Tracheostomy for face,mouth & neck diagnoses or laryngectomy with mcc
  • 012 Tracheostomy for face,mouth & neck diagnoses or laryngectomy with cc
  • 013 Tracheostomy for face,mouth & neck diagnoses or laryngectomy without cc/mcc
  • 157 Dental and oral diseases with mcc
  • 158 Dental and oral diseases with cc
  • 159 Dental and oral diseases without cc/mcc

Convert K09.0 to ICD-9-CM

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
Code annotations containing back-references to K09.0:
  • Type 2 Excludes: K04.8
    , K06.8
    ICD-10-CM Diagnosis Code K04.8

    Radicular cyst

      2016 2017 2018 2019 Billable/Specific Code
    Applicable To
    • Apical (periodontal) cyst
    • Periapical cyst
    • Residual radicular cyst
    Type 2 Excludes
    • lateral periodontal cyst (K09.0)
    ICD-10-CM Diagnosis Code K06.8

    Other specified disorders of gingiva and edentulous alveolar ridge

      2016 2017 2018 2019 Billable/Specific Code
    Applicable To
    • Fibrous epulis
    • Flabby alveolar ridge
    • Giant cell epulis
    • Peripheral giant cell granuloma of gingiva
    • Pyogenic granuloma of gingiva
    • Vertical ridge deficiency
    Type 2 Excludes

Diagnosis Index entries containing back-references to K09.0:
  • Cyst (colloid) (mucous) (simple) (retention)
    • bone (local) M85.60
      ICD-10-CM Diagnosis Code M85.60

      Other cyst of bone, unspecified site

        2016 2017 2018 2019 Billable/Specific Code
      • specified type NEC M85.60
        ICD-10-CM Diagnosis Code M85.60

        Other cyst of bone, unspecified site

          2016 2017 2018 2019 Billable/Specific Code
        • jaw M27.40
          ICD-10-CM Diagnosis Code M27.40

          Unspecified cyst of jaw

            2016 2017 2018 2019 Billable/Specific Code
          Applicable To
          • Cyst of jaw NOS
          • developmental (nonodontogenic) K09.1
            ICD-10-CM Diagnosis Code K09.1

            Developmental (nonodontogenic) cysts of oral region

              2016 2017 2018 2019 Billable/Specific Code
            Applicable To
            • Cyst (of) incisive canal
            • Cyst (of) palatine of papilla
            • Globulomaxillary cyst
            • Median palatal cyst
            • Nasoalveolar cyst
            • Nasolabial cyst
            • Nasopalatine duct cyst
            • odontogenic K09.0
    • dental (root) K04.8
      ICD-10-CM Diagnosis Code K04.8

      Radicular cyst

        2016 2017 2018 2019 Billable/Specific Code
      Applicable To
      • Apical (periodontal) cyst
      • Periapical cyst
      • Residual radicular cyst
      Type 2 Excludes
      • lateral periodontal cyst (K09.0)
      • developmental K09.0
      • eruption K09.0
      • primordial K09.0
    • developmental K09.1
      ICD-10-CM Diagnosis Code K09.1

      Developmental (nonodontogenic) cysts of oral region

        2016 2017 2018 2019 Billable/Specific Code
      Applicable To
      • Cyst (of) incisive canal
      • Cyst (of) palatine of papilla
      • Globulomaxillary cyst
      • Median palatal cyst
      • Nasoalveolar cyst
      • Nasolabial cyst
      • Nasopalatine duct cyst
      • odontogenic K09.0
    • follicular (atretic) (hemorrhagic) (ovarian) N83.0-
      ICD-10-CM Diagnosis Code N83.0-

      Follicular cyst of ovary

        2016 2017 - Deleted Code 2017 - New Code 2018 2019 Non-Billable/Non-Specific Code
      Applicable To
      • Cyst of graafian follicle
      • Hemorrhagic follicular cyst (of ovary)
      • dentigerous K09.0
      • odontogenic K09.0
    • jaw (bone) M27.40
      ICD-10-CM Diagnosis Code M27.40

      Unspecified cyst of jaw

        2016 2017 2018 2019 Billable/Specific Code
      Applicable To
      • Cyst of jaw NOS
      • developmental K09.0 (odontogenic)
    • mandible M27.40
      ICD-10-CM Diagnosis Code M27.40

      Unspecified cyst of jaw

        2016 2017 2018 2019 Billable/Specific Code
      Applicable To
      • Cyst of jaw NOS
      • dentigerous K09.0
    • maxilla M27.40
      ICD-10-CM Diagnosis Code M27.40

      Unspecified cyst of jaw

        2016 2017 2018 2019 Billable/Specific Code
      Applicable To
      • Cyst of jaw NOS
      • dentigerous K09.0
    • periodontal K04.8
      ICD-10-CM Diagnosis Code K04.8

      Radicular cyst

        2016 2017 2018 2019 Billable/Specific Code
      Applicable To
      • Apical (periodontal) cyst
      • Periapical cyst
      • Residual radicular cyst
      Type 2 Excludes
      • lateral periodontal cyst (K09.0)
      • lateral K09.0
    • dentigerous K09.0 (mandible) (maxilla)
    • eruption K09.0
    • gingiva K09.0
    • lateral periodontal K09.0
    • odontogenic, developmental K09.0
    • pericoronal K09.0
    • primordial K09.0 (jaw)
  • Dentigerous cyst K09.0

ICD-10-CM Codes Adjacent To K09.0
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
K11.22 Acute recurrent sialoadenitis

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