Is ICD-10-CM code K03 billable?

No, K03 (Other diseases of hard tissues of teeth) is a non-billable ICD-10-CM code. It must be coded to a more specific subcategory before it can be used for reimbursement.

What chapter does ICD-10-CM code K03 belong to?

K03 belongs to Chapter 11 of the ICD-10-CM tabular list: K00–K95 (Diseases of the Digestive System).

K03Not billable, use a more specific code below

Other diseases of hard tissues of teeth

In Diseases of oral cavity and salivary glands (K00-K14), chapter 11: Diseases of the Digestive System

11 billable codes under K03: none are a CC or MCC; none map to an HCC.

Instructional notes

Excludes2: not included here, code separately if applicable

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

Official coding guidelines

From the ICD-10-CM Official Guidelines for Coding and Reporting, FY 2027 (CMS and NCHS). Links open the PDF at the right page.

There are no chapter-specific rules for Chapter 11 yet, so the general rules in Section I.B apply.

Read Section I.C.11 (page 58)

All codes under K03

K03 can't be used on a claim. Pick a billable code below; grey headings group them.

K03 MS-DRGs

This code does not group to an MS-DRG as a principal diagnosis.

About the condition

Plain-language background from MedlinePlus (National Library of Medicine), not coding guidance.

Tooth Disorders

Your teeth are made of a hard, bonelike material. There are four parts: You need your teeth for many activities that you may take for granted. These include eating, speaking and even smiling.

Code history

Valid since FY2016, when ICD-10-CM took effect on October 1, 2015. No changes since.