K00.2 – Abnormalities of size and form of teeth
ICD-10-CM 2027 diagnosis code · Diseases of oral cavity and salivary glands
ICD-10-CM code
K00.2
- Code
K00.2(claims format:K002)- Description
- Abnormalities of size and form of teeth
- Billable
- Yes – valid for HIPAA-covered transactions
- Valid for
- Dates of service October 1, 2026 – September 30, 2027 (FY2027)
- Chapter
- 11. Diseases of the digestive system (K00-K95)
- Block
- K00-K14 Diseases of oral cavity and salivary glands
- Parent codes
- K00
Notes for K00.2
Applicable to:
- 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
Notes inherited from parent codes
Instructional notes at a category or block level apply to every code below it.
K00 – Disorders of tooth development and eruption
Excludes2 (not included here):
- embedded and impacted teeth (K01.-)
Index terms for K00.2
Entries in the ICD-10-CM alphabetic index that lead to this code:
- Enameloma
- Synodontia
- Microdontia
- Macrodontia
- Taurodontism
- Schizodontia
- Concrescence
- Spicule tooth
- Pearl, enamel
- Enamel pearls
- Conical, teeth
- Twinning, teeth
- Dichotomy, teeth
- Peg-shaped teeth
- Accessory, roots
- T-shaped incisors
- Predeciduous teeth
- Tuberculum, occlusal
- Supernumerary, roots
- Tuberculum, Carabelli
- Tuberculum, paramolare
- Shovel-shaped incisors
- Deformity, tooth, teeth
- Gemination, tooth, teeth
- Premolarization, cuspids
Related codes in K00
- K00.0 – AnodontiaBillable
- K00.1 – Supernumerary teethBillable
- K00.3 – Mottled teethBillable
- K00.4 – Disturbances in tooth formationBillable
- K00.5 – Hereditary disturbances in tooth structure, not elsewhere classifiedBillable
- K00.6 – Disturbances in tooth eruptionBillable
- K00.7 – Teething syndromeBillable
- K00.8 – Other disorders of tooth developmentBillable
- K00.9 – Disorder of tooth development, unspecifiedBillable
Frequently asked questions
What is ICD-10 code K00.2?
K00.2 is the ICD-10-CM code for abnormalities of size and form of teeth, in the block K00-K14 (Diseases of oral cavity and salivary glands).
Is K00.2 a billable code?
Yes. K00.2 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.
What category does K00.2 belong to?
It belongs to category K00 – Disorders of tooth development and eruption.
Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.