K03.4 – Hypercementosis

ICD-10-CM 2027 diagnosis code · Diseases of oral cavity and salivary glands

Billable code

ICD-10-CM code K03.4

Code: K03.4 (claims format: K034)
Description: Hypercementosis
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: K03

Notes for K03.4

Applicable to:

Cementation hyperplasia

Notes inherited from parent codes

Instructional notes at a category or block level apply to every code below it.

K03 – Other diseases of hard tissues of teeth

Excludes2 (not included here):

bruxism (F45.8)
dental caries (K02.-)
teeth-grinding NOS (F45.8)

Index terms for K03.4

Entries in the ICD-10-CM alphabetic index that lead to this code:

Related codes in K03

K03.0 – Excessive attrition of teethBillable
K03.1 – Abrasion of teethBillable
K03.2 – Erosion of teethBillable
K03.3 – Pathological resorption of teethBillable
K03.5 – Ankylosis of teethBillable
K03.6 – Deposits [accretions] on teethBillable
K03.7 – Posteruptive color changes of dental hard tissuesBillable
K03.8 – Other specified diseases of hard tissues of teethHeader
K03.9 – Disease of hard tissues of teeth, unspecifiedBillable

Frequently asked questions

What is ICD-10 code K03.4?

K03.4 is the ICD-10-CM code for hypercementosis, in the block K00-K14 (Diseases of oral cavity and salivary glands).

Is K03.4 a billable code?

Yes. K03.4 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.

What category does K03.4 belong to?

It belongs to category K03 – Other diseases of hard tissues of teeth.

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.