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K00.2 - Abnormalities of size and form of teeth


The ICD 10 Code for Abnormalities of size and form of teeth is listed as K00.2.
Additional information concerning this code and description can be found below including ICD 9 crosswalks / GEMS, chapter information, and DRGs where available.

ICD 10 CM Field Value
Diagnosis Code: K00.2
Description: Abnormalities of size and form of teeth
  • 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
  • Excludes1: abnormalities of teeth due to congenital syphilis (A50.5)
  • tuberculum Carabelli, which is regarded as a normal variation and should not be coded
Diagnostic Related Groups
(MS-DRG v30.0)
011 - Tracheostomy For Face,mouth & Neck Diagnoses W Mcc
012 - Tracheostomy For Face,mouth & Neck Diagnoses W Cc
013 - Tracheostomy For Face,mouth & Neck Diagnoses W/o Cc/mcc
157 - Dental & Oral Diseases W Mcc
158 - Dental & Oral Diseases W Cc
159 - Dental & Oral Diseases W/o Cc/mcc
Chapter Diseases of the digestive system (K00-K95)
Block Diseases of oral cavity and salivary glands (K00-K14)
Parent K00 - Disorders of tooth development and eruption
ICD-9-CM Diagnosis Codes General Equivalence Mappings (GEMS):
ICD 9 Dx Code: 520.2 - Abnormalities of size and form of teeth
ICD-10-CM Siblings (same level / similar specificity) of K00.2:
K00.0 - Anodontia
K00.1 - Supernumerary 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