2020 ICD-10-CM Diagnosis Code K09.1

Developmental (nonodontogenic) cysts of oral region

    2016 2017 2018 2019 2020 Billable/Specific Code
  • K09.1 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
  • The 2020 edition of ICD-10-CM K09.1 became effective on October 1, 2019.
  • This is the American ICD-10-CM version of K09.1 - other international versions of ICD-10 K09.1 may differ.
Applicable To
  • Cyst (of) incisive canal
  • Cyst (of) palatine of papilla
  • Globulomaxillary cyst
  • Median palatal cyst
  • Nasoalveolar cyst
  • Nasolabial cyst
  • Nasopalatine duct cyst
The following code(s) above K09.1 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 K09.1:
  • 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
  • K09
    ICD-10-CM Diagnosis Code K09

    Cysts of oral region, not elsewhere classified

      2016 2017 2018 2019 2020 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
  • Naso-labial cyst
  • Nasolabial cyst
Clinical Information
  • Cysts formed from epithelial inclusions in the lines of fusion of the embryonic processes which form the jaws. They include nasopalatine or incisive canal cyst, incisive papilla cyst, globulomaxillary cyst, median palatal cyst, median alveolar cyst, median mandibular cyst, and nasoalveolar cyst.
ICD-10-CM K09.1 is grouped within Diagnostic Related Group(s) (MS-DRG v37.0):
  • 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 K09.1 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
  • 2020 (effective 10/1/2019): No change

Diagnosis Index entries containing back-references to K09.1:
  • Cyst (colloid) (mucous) (simple) (retention)
    • anterior
      • nasopalatine K09.1
    • bone (local) M85.60
      ICD-10-CM Diagnosis Code M85.60

      Other cyst of bone, unspecified site

        2016 2017 2018 2019 2020 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 2020 Billable/Specific Code
        • jaw M27.40
          ICD-10-CM Diagnosis Code M27.40

          Unspecified cyst of jaw

            2016 2017 2018 2019 2020 Billable/Specific Code
          Applicable To
          • Cyst of jaw NOS
    • developmental K09.1
      • oral region K09.1 (nonodontogenic)
    • jaw (bone) M27.40
      ICD-10-CM Diagnosis Code M27.40

      Unspecified cyst of jaw

        2016 2017 2018 2019 2020 Billable/Specific Code
      Applicable To
      • Cyst of jaw NOS
      • fissural K09.1
    • median
      • anterior maxillary K09.1
      • palatal K09.1
    • oral
      • region K09.9
        ICD-10-CM Diagnosis Code K09.9

        Cyst of oral region, unspecified

          2016 2017 2018 2019 2020 Billable/Specific Code
        • developmental K09.1 (nonodontogenic)
    • fissural K09.1 (oral region)
    • globulomaxillary K09.1
    • incisive canal K09.1
    • nasoalveolar K09.1
    • nasolabial K09.1
    • nasopalatine K09.1 (anterior) (duct)
    • palate K09.1 (median) (fissural)
    • palatine papilla K09.1 (jaw)

ICD-10-CM Codes Adjacent To K09.1
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
K11.23 Chronic sialoadenitis

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