K00.2

Billable
ChapterK00–K95
Ranksubcategory
Official Description

Abnormalities of size and form of teeth

Metadata & Insights
  • •2026 ICD-10-CM Edition - Effective October 1, 2025.
  • •Billable/specific code (valid for reimbursement).
  • •Chapter 11: Diseases of the Digestive System (K00-K95).

Instructional Notes

Includes
  • 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(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
General instructions are available for the parent sections:
View CH11 NotesView K00 Notes

Clinical Hierarchy

CH11Diseases of the digestive system (K00-K95)
K00-K14Diseases of oral cavity and salivary glands (K00-K14)
K00Disorders of tooth development and eruption
K00.2Abnormalities of size and form of teeth

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to K00.2:

categoryK00
Disorders of tooth development and eruption
View context instructions
chapterCH11
Diseases of the digestive system (K00-K95)
View context instructions

Alphabetic Index Mentions

These are Diagnosis Index lookup paths that route to K00.2. Use them as entry terms for search, then confirm final coding instructions in the Tabular List and notes above.

25 raw paths
Abnormal, abnormality, abnormalities3 unique routes
form
teeth→K00.2
size, tooth, teeth→K00.2
tooth, teeth (form) (size)→K00.2
Accessory (congenital)1 unique routes
roots (teeth)→K00.2
Anomaly, anomalous (congenital) (unspecified type)1 unique routes
form, teeth→K00.2
Concrescence (teeth)1 unique routes
Direct index entry→K00.2
Conical1 unique routes
teeth→K00.2
Deformity1 unique routes
tooth, teeth→K00.2
Dens evaginatus, in dente or invaginatus1 unique routes
Direct index entry→K00.2
Dichotomy, teeth1 unique routes
Direct index entry→K00.2
Elongated, elongation (congenital)1 unique routes
tooth, teeth→K00.2
Enamel pearls1 unique routes
Direct index entry→K00.2
Enameloma1 unique routes
Direct index entry→K00.2
Fusion, fused (congenital)1 unique routes
tooth, teeth→K00.2
Gemination, tooth, teeth1 unique routes
Direct index entry→K00.2
Macrodontia1 unique routes
Direct index entry→K00.2
Microdontia1 unique routes
Direct index entry→K00.2
Molarization of premolars1 unique routes
Direct index entry→K00.2
Pearl (s)1 unique routes
enamel→K00.2
Peg-shaped teeth1 unique routes
Direct index entry→K00.2
Predeciduous teeth1 unique routes
Direct index entry→K00.2
Premolarization, cuspids1 unique routes
Direct index entry→K00.2
Schizodontia1 unique routes
Direct index entry→K00.2
Shovel-shaped incisors1 unique routes
Direct index entry→K00.2
Spicule tooth1 unique routes
Direct index entry→K00.2

MS-DRG Classification

2026

No direct MS-DRG triggers identified.

Cross Reference

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