K00.2 ICD-10-CM Code: Abnormalities of size and form of teeth
K00.2 is the billable ICD-10-CM code for “Abnormalities of size and form of teeth” in the FY 2027 U.S. code set, effective Oct 1, 2026.
Official description
K00.2Abnormalities of size and form of teeth
ICD-10-CM diagnosis code · United States clinical modification
Where K00.2 sits
- 1
Chapter 11
Diseases of the digestive system (K00-K95)
- 2
Section
Diseases of oral cavity and salivary glands (K00-K14)
- 3
Category K00
Disorders of tooth development and eruption
- 4
Code K00.2
Abnormalities of size and form of teeth
Notes for this code
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
Code first
No “code first” instruction is listed for K00.2.
Use additional code
No “use additional code” instruction is listed for K00.2.
Excludes1
Conditions that should not be reported together with this code.
- abnormalities of teeth due to congenital syphilis (A50.5)
- tuberculum Carabelli, which is regarded as a normal variation and should not be coded
Excludes2
Conditions not included here that may be reported separately when present.
No Excludes2 note is listed for K00.2.
Source and release
- Data release
- U.S. ICD-10-CM · FY 2027
- Effective date
- Oct 1, 2026
- Publisher
- Vero Scribe Inc.
This reference is generated from Vero’s ICD-10-CM description, hierarchy, and code-note dataset. The visible content and structured data share that source.
Frequently asked questions
What does ICD-10-CM code K00.2 mean?
K00.2 is the FY 2027 U.S. ICD-10-CM code for “Abnormalities of size and form of teeth.”
Is K00.2 a billable or specific ICD-10-CM code?
Yes. In the FY 2027 reference data used on this page, K00.2 has no child codes and is presented as a billable/specific code. Always confirm the active code set and payer requirements before use.
Where is K00.2 located in ICD-10-CM?
K00.2 is listed in Chapter 11, Diseases of the digestive system (K00-K95), within Diseases of oral cavity and salivary glands (K00-K14) (K00–K14), under category K00, Disorders of tooth development and eruption.
What coding notes are listed for K00.2?
Its listed inclusion terms are 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. No code-first instruction is listed. Excludes1 notes: abnormalities of teeth due to congenital syphilis (A50.5); tuberculum Carabelli, which is regarded as a normal variation and should not be coded. No Excludes2 note is listed.