2027 ICD-10-CM Diagnosis Code K00Disorders of tooth development and eruption

ICD-10-CM Codes›K00–K95›K00-K14›K00

ICD-10-CM K00
CMSSource: CMS FY 2027 ICD-10-CM dataset · Effective Oct 1, 2026 – Sep 30, 2027

K00 is a non-billable ICD-10-CM category code for disorders of tooth development and eruption, so it cannot be submitted on claims. Use a more specific code from this category instead, such as K00.0, K00.1, K00.2, and K00.3.

Code Identity

ICD-10-CM Code
K00
Billable Status
No — Non-Billable Category
Code Describes
Disorders of tooth development and eruption
Short Description
Disorders of tooth development and eruption
Same as the full description in the CMS dataset.
Chapter
K00-K14
Diseases of oral cavity and salivary glands

Code Classification

ChapterK00–K95Diseases of the digestive system
SectionK00-K14Diseases of oral cavity and salivary glands
CategoryK00Disorders of tooth development and eruption
This CodeK00Disorders of tooth development and eruption

Specific Coding for Disorders of tooth development and eruptionOverview

Non-specific codes like K00 require more characters. Use one of these billable codes instead:

  • Use K00.0 for Anodontia

  • Use K00.1 for Supernumerary teeth

  • Use K00.2 for Abnormalities of size and form of teeth

  • Use K00.3 for Mottled teeth

  • Use K00.4 for Disturbances in tooth formation

  • Use K00.5 for Hereditary disturbances in tooth structure, not elsewhere classified

  • Use K00.6 for Disturbances in tooth eruption

  • Use K00.7 for Teething syndrome

  • Use K00.8 for Other disorders of tooth development

  • Use K00.9 for Disorder of tooth development, unspecified

Instructional NotesGuidance

Instructions from the official ICD-10-CM Tabular List that apply to K00: its own notes plus those printed at Chapter 11. A note printed at a category, block or chapter applies to every code under it.

Excludes2

Not included here: the excluded condition is not part of this code, but a patient may have both, so both codes may be reported.

On K00 itself
  • embedded and impacted teeth (K01.-)
From Chapter 11 (K00-K95) Diseases of the digestive system applies to 863 codes
  • 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)

Source: CMS ICD-10-CM Tabular List. How to read instructional notes.

Patient EducationClinical

Tooth Disorders

Your teeth are made of a hard, bonelike material. There are four parts:

The full article covers:

  • What are teeth?
  • What are tooth disorders?
  • What causes tooth disorders?
  • What are the symptoms of tooth disorders?
  • How are tooth disorders diagnosed?
  • What are the treatments for tooth disorders?
  • Can tooth disorders be prevented?

Read the full article at MedlinePlus

Courtesy of MedlinePlus, a service of the U.S. National Library of Medicine.

Code HistoryHistory

FY 2016AddedAdded to the ICD-10-CM code setEffective October 1, 2015, the first year of ICD-10-CM.
FY 2017–2026No changes
FY 2027CurrentCurrent code set, no changesEffective October 1, 2026 through September 30, 2027.

Questions About K00Overview

What is the ICD-10 code for disorders of tooth development and eruption?

K00 is the ICD-10-CM category for disorders of tooth development and eruption, but it is a non-billable header: claims need a more specific code from this category, listed on this page.

Is K00 (Disorders of tooth development and eruption) a billable code?

No. This is a category header that groups the codes for disorders of tooth development and eruption, and headers cannot be submitted on claims. Claims for disorders of tooth development and eruption need a more specific code from this category, such as K00.0, K00.1, and K00.2.