2026 ICD-10-CM Diagnosis Code K08.499Partial loss of teeth due to other specified cause, unspecified class

ICD-10-CM Codes›K00–K95›K00-K14›K08

ICD-10-CM K08.499
CMSSource: CMS FY 2026 ICD-10-CM dataset · Effective Oct 1, 2025 – Sep 30, 2026

K08.499 is a billable ICD-10-CM diagnosis code for partial loss of teeth due to other specified cause, unspecified class. It is valid on HIPAA claims for fiscal year 2026 (October 1, 2025 through September 30, 2026) and groups to MS-DRG 11 through 13, 157 through 159. In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Any dental condition including traumatic injury; Caries, periodontitis, and other preventable dental conditions; and Disorders of teeth and gingiva.

Code Identity

ICD-10-CM Code
K08.499
Billable Status
Yes — Valid for Submission
Code Describes
Partial loss of teeth due to other specified cause, unspecified class
Short Description
Partial loss of teeth due to oth cause, unspecified class
Parent Code
K08.49
Partial loss of teeth due to other specified cause

Code Classification

ChapterK00–K95Diseases of the digestive system
SectionK00-K14Diseases of oral cavity and salivary glands
CategoryK08Other disorders of teeth and supporting structures
This CodeK08.499Partial loss of teeth due to other specified cause, unspecified class

Index to Diseases and InjuriesGuidance

Alphabetical index entries that point to this code.

Clinical ClassificationClinical

AHRQ’s CCSR groups this code into broader clinical categories.

CCSR DEN001
Any dental condition including traumatic injury
Default principal diagnosis: inpatient No · outpatient No
CCSR DEN003
Caries, periodontitis, and other preventable dental conditions
Default principal diagnosis: inpatient No · outpatient No
CCSR DIG002
Disorders of teeth and gingiva
Default principal diagnosis: inpatient Yes · outpatient Yes
CCSR DEN002
Nontraumatic dental conditions
Default principal diagnosis: inpatient No · outpatient No

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.

Convert K08.499 to ICD-9-CMHistory

The closest ICD-9-CM equivalents under the General Equivalence Mappings.

ICD-9-CM
525.50 Partial edentulism NOS
ApproximateCombination The match is approximate, and more than one code can be needed to describe the source diagnosis. Confirm with contextual judgment.
ICD-9-CM
525.19 Loss of teeth NEC
ApproximateCombination The match is approximate, and more than one code can be needed to describe the source diagnosis. Confirm with contextual judgment.

Code HistoryHistory

FY 2016AddedAdded to the ICD-10-CM code setEffective October 1, 2015, the first year of ICD-10-CM.
FY 2017–2025No changes
FY 2026CurrentCurrent code set, no changesEffective October 1, 2025 through September 30, 2026.

Questions About K08.499Overview

What is the ICD-10 code for partial loss of teeth due to other specified cause, unspecified class?

The ICD-10-CM code for partial loss of teeth due to other specified cause, unspecified class is K08.499 (sometimes written as K08499). It is billable on HIPAA-covered claims from October 1, 2025 through September 30, 2026.

Is K08.499 (Partial loss of teeth due to other specified cause) a billable code?

Yes. This is a billable ICD-10-CM code, specific enough to report partial loss of teeth due to other specified cause, unspecified class on HIPAA-covered claims from October 1, 2025 through September 30, 2026.

What MS-DRG does K08.499 group to?

When partial loss of teeth due to other specified cause, unspecified class is the principal diagnosis on an inpatient stay, it groups to MS-DRG 11, 12, 13, 157, 158, 159, with relative weights from 0.7085 to 5.4541 depending on complications. Higher weights mean higher Medicare reimbursement.

What is the ICD-9 equivalent of K08.499?

Under the General Equivalence Mappings, partial loss of teeth due to other specified cause, unspecified class converts to ICD-9-CM 525.50 (partial edentulism NOS) and 525.19 (loss of teeth NEC). The mapping is approximate, so confirm the match fits the documentation.