2027 ICD-10-CM Diagnosis Code K03Other diseases of hard tissues of teeth

ICD-10-CM Codes›K00–K95›K00-K14›K03

ICD-10-CM K03
CMSSource: CMS FY 2027 ICD-10-CM dataset · Effective Oct 1, 2026 – Sep 30, 2027

K03 is a non-billable ICD-10-CM category code for other diseases of hard tissues of teeth, so it cannot be submitted on claims. Use a more specific code from this category instead, such as K03.0, K03.1, K03.2, and K03.3.

Code Identity

ICD-10-CM Code
K03
Billable Status
No — Non-Billable Category
Code Describes
Other diseases of hard tissues of teeth
Short Description
Other diseases of hard tissues of teeth
Same as the full description in the CMS dataset.
Chapter
K00-K14
Diseases of oral cavity and salivary glands

Code Classification

ChapterK00–K95Diseases of the digestive system
SectionK00-K14Diseases of oral cavity and salivary glands
CategoryK03Other diseases of hard tissues of teeth
This CodeK03Other diseases of hard tissues of teeth

Specific Coding for Other diseases of hard tissues of teethOverview

Non-specific codes like K03 require more characters. Use one of these billable codes instead:

  • Use K03.0 for Excessive attrition of teeth

  • Use K03.1 for Abrasion of teeth

  • Use K03.2 for Erosion of teeth

  • Use K03.3 for Pathological resorption of teeth

  • Use K03.4 for Hypercementosis

  • Use K03.5 for Ankylosis of teeth

  • Use K03.6 for Deposits [accretions] on teeth

  • Use K03.7 for Posteruptive color changes of dental hard tissues

  • K03.8 for Other specified diseases of hard tissues of teeth

  • Use K03.81 for Cracked tooth

  • Use K03.89 for Other specified diseases of hard tissues of teeth

  • Use K03.9 for Disease of hard tissues of teeth, unspecified

Instructional NotesGuidance

Instructions from the official ICD-10-CM Tabular List that apply to K03: its own notes plus those printed at Chapter 11. A note printed at a category, block or chapter applies to every code under it.

Excludes2

Not included here: the excluded condition is not part of this code, but a patient may have both, so both codes may be reported.

On K03 itself
From Chapter 11 (K00-K95) Diseases of the digestive system applies to 863 codes
  • certain conditions originating in the perinatal period (P04-P96)
  • certain infectious and parasitic diseases (A00-B99)
  • complications of pregnancy, childbirth and the puerperium (O00-O9A)
  • congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)
  • endocrine, nutritional and metabolic diseases (E00-E88)
  • injury, poisoning and certain other consequences of external causes (S00-T88)
  • neoplasms (C00-D49)
  • symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)

Source: CMS ICD-10-CM Tabular List. How to read instructional notes.

Patient EducationClinical

Tooth Disorders

Your teeth are made of a hard, bonelike material. There are four parts:

The full article covers:

  • What are teeth?
  • What are tooth disorders?
  • What causes tooth disorders?
  • What are the symptoms of tooth disorders?
  • How are tooth disorders diagnosed?
  • What are the treatments for tooth disorders?
  • Can tooth disorders be prevented?

Read the full article at MedlinePlus

Courtesy of MedlinePlus, a service of the U.S. National Library of Medicine.

Code HistoryHistory

FY 2016AddedAdded to the ICD-10-CM code setEffective October 1, 2015, the first year of ICD-10-CM.
FY 2017–2026No changes
FY 2027CurrentCurrent code set, no changesEffective October 1, 2026 through September 30, 2027.

Questions About K03Overview

What is the ICD-10 code for other diseases of hard tissues of teeth?

K03 is the ICD-10-CM category for other diseases of hard tissues of teeth, but it is a non-billable header: claims need a more specific code from this category, listed on this page.

Is K03 (Other diseases of hard tissues of teeth) a billable code?

No. This is a category header that groups the codes for other diseases of hard tissues of teeth, and headers cannot be submitted on claims. Claims for other diseases of hard tissues of teeth need a more specific code from this category, such as K03.0, K03.1, and K03.2.