2020 ICD-10-CM Diagnosis Code K00.1

Supernumerary teeth

    2016 2017 2018 2019 2020 Billable/Specific Code
  • K00.1 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 K00.1 became effective on October 1, 2019.
  • This is the American ICD-10-CM version of K00.1 - other international versions of ICD-10 K00.1 may differ.
Applicable To
  • Distomolar
  • Fourth molar
  • Mesiodens
  • Paramolar
  • Supplementary teeth
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 (K00.1) and the excluded code together.
  • supernumerary roots (
    ICD-10-CM Diagnosis Code K00.2

    Abnormalities of size and form of teeth

      2016 2017 2018 2019 2020 Billable/Specific Code
    Applicable To
    • Concrescence of teeth
    • Fusion of teeth
    • Gemination of teeth
    • Dens evaginatus
    • Dens in dente
    • Dens invaginatus
    • Enamel pearls
    • Macrodontia
    • Microdontia
    • Peg-shaped [conical] teeth
    • Supernumerary roots
    • Taurodontism
    • Tuberculum paramolare
    Type 1 Excludes
    • abnormalities of teeth due to congenital syphilis (A50.5)
    • tuberculum Carabelli, which is regarded as a normal variation and should not be coded
    K00.2
    )
The following code(s) above K00.1 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 K00.1:
  • 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
  • K00
    ICD-10-CM Diagnosis Code K00

    Disorders of tooth development and eruption

      2016 2017 2018 2019 2020 Non-Billable/Non-Specific Code
    Type 2 Excludes
    • embedded and impacted teeth (K01.-)
    Disorders of tooth development and eruption
Approximate Synonyms
  • Supernumerary tooth
Clinical Information
  • An extra tooth, erupted or unerupted, resembling or unlike the other teeth in the group to which it belongs. Its presence may cause malposition of adjacent teeth or prevent their eruption.
  • Supernumerary tooth, any tooth in addition to the normal permanent and primary dentition
ICD-10-CM K00.1 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 K00.1 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 K00.1:

ICD-10-CM Codes Adjacent To K00.1
J98.4 Other disorders of lung
J98.5 Diseases of mediastinum, not elsewhere classified
J98.51 Mediastinitis
J98.59 Other diseases of mediastinum, not elsewhere classified
J98.6 Disorders of diaphragm
J98.8 Other specified respiratory disorders
J98.9 Respiratory disorder, unspecified
J99 Respiratory disorders in diseases classified elsewhere
K00 Disorders of tooth development and eruption
K00.0 Anodontia
K00.1 Supernumerary teeth
K00.2 Abnormalities of size and form of teeth
K00.3 Mottled teeth
K00.4 Disturbances in tooth formation
K00.5 Hereditary disturbances in tooth structure, not elsewhere classified
K00.6 Disturbances in tooth eruption
K00.7 Teething syndrome
K00.8 Other disorders of tooth development
K00.9 Disorder of tooth development, unspecified
K01 Embedded and impacted teeth
K01.0 Embedded teeth

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