ICD-10-CM K00: Disorders of tooth development and eruption

ICD-10-CM Diagnosis Code (2025)

Official Description for K00

Disorders of tooth development and eruption

Coding Notes & Guidelines for K00

Excludes1: Not Coded Here

acquired absence of teeth (K08.1-)

Excludes1: Not Coded Here
  • abnormalities of teeth due to congenital syphilis (A50.5)
  • tuberculum Carabelli, which is regarded as a normal variation and should not be coded
Excludes1: Not Coded Here

Hutchinson's teeth and mulberry molars in congenital syphilis (A50.5)

Excludes2: Not Included Here

embedded and impacted teeth (K01.-)

Excludes2: Not Included Here

supernumerary roots (K00.2)

Excludes2: Not Included Here

deposits [accretions] on teeth (K03.6)

Excludes2: Not Included Here

mottled teeth (K00.3)

Excludes2: Not Included Here

embedded and impacted teeth (K01.-)

Excludes2: Not Included Here

posteruptive color changes (K03.7)

Inclusion Terms
  • Hypodontia
  • Oligodontia
Inclusion Terms
  • Distomolar
  • Fourth molar
  • Mesiodens
  • Paramolar
  • Supplementary teeth
Inclusion Terms
  • 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
Inclusion Terms
  • Dental fluorosis
  • Mottling of enamel
  • Nonfluoride enamel opacities
Inclusion Terms
  • Aplasia and hypoplasia of cementum
  • Dilaceration of tooth
  • Enamel hypoplasia (neonatal) (postnatal) (prenatal)
  • Regional odontodysplasia
  • Turner's tooth
Inclusion Terms
  • Amelogenesis imperfecta
  • Dentinogenesis imperfecta
  • Odontogenesis imperfecta
  • Dentinal dysplasia
  • Shell teeth
Inclusion Terms
  • Dentia praecox
  • Natal tooth
  • Neonatal tooth
  • Premature eruption of tooth
  • Premature shedding of primary [deciduous] tooth
  • Prenatal teeth
  • Retained [persistent] primary tooth
Inclusion Terms
  • Color changes during tooth formation
  • Intrinsic staining of teeth NOS
Inclusion Terms

Disorder of odontogenesis NOS

Child Codes (More Specific Codes for K00):

About ICD-10-CM Code K00 (Disorders of tooth development and eruption)

ICD-10-CM code K00 is a billable or specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. The 2025 edition of ICD-10-CM K00 became effective on October 1, 2024.

This page provides detailed information about K00 - Disorders of tooth development and eruption. It includes common terminology, coding guidelines such as "Includes," "Excludes1," and "Excludes2" notes, and information on required 7th characters. Utilizing this information correctly is essential for accurate medical coding and claims submission for conditions like Disorders of tooth development and eruption.