2026 ICD-10-CM Diagnosis Code K03.6Deposits [accretions] on teeth
ICD-10-CM Codes›K00–K95›K00-K14›K03
- Billable — Valid for Submission
- Not Chronic
K03.6 is a billable ICD-10-CM diagnosis code for deposits [accretions] on teeth. 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
Code Classification
Approximate SynonymsGuidance
Alternate terms and clinical phrases that map to this code.
- Accretion on teeth
- Accretion on tooth
- Betel deposit on teeth
- Chlorodontia
- Dental calculus
- Dental plaque on teeth
- Dental plaque on tooth
- Dental plaque on tooth due to plaque retentive dental prosthesis
- Dental plaque present
- Dentin bridge
- Extrinsic staining of teeth associated with inadequate oral hygiene
- Extrinsic staining of teeth associated with oral habits
- Extrinsic staining of tooth
- Extrinsic staining of tooth - black
- Extrinsic staining of tooth - brown
- Extrinsic staining of tooth - chromogenic plaque flora
- Extrinsic staining of vital tooth
- Posteruptive color change of tooth
- Soft deposit on teeth
- Staining of teeth
- Staining of tooth
- Subgingival dental calculus
- Subgingival plaque
- Supragingival dental calculus
- Supragingival dental plaque
- Teeth staining caused by drugs
- Teeth staining due to pulpal bleeding
- Tobacco deposit on teeth
Tabular List NotesGuidance
Coding notes and annotation back-references applicable to this code.
Inclusion Terms
- Betel deposits [accretions] on teeth
- Black deposits [accretions] on teeth
- Extrinsic staining of teeth NOS
- Green deposits [accretions] on teeth
- Materia alba deposits [accretions] on teeth
- Orange deposits [accretions] on teeth
- Staining of teeth NOS
- Subgingival dental calculus
- Supragingival dental calculus
- Tobacco deposits [accretions] on teeth
These terms are the conditions for which that code is to be used. The terms may be synonyms of the code title, or, in the case of "other specified" codes, the terms are a list of the various conditions assigned to that code. The inclusion terms are not necessarily exhaustive. Additional terms found only in the Alphabetic Index may also be assigned to a code.
Index to Diseases and InjuriesGuidance
Clinical ClassificationClinical
AHRQ’s CCSR groups this code into broader clinical categories.
Clinical InformationClinical
Dental Calculus
abnormal concretion or calcified deposit that forms around the teeth or dental prostheses.Dental Calculus
mineralized deposit that forms on the teeth or dental prostheses.
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 K03.6 to ICD-9-CMHistory
The closest ICD-9-CM equivalents under the General Equivalence Mappings.
Code HistoryHistory
Questions About K03.6Overview
What is the ICD-10 code for deposits [accretions] on teeth?
The ICD-10-CM code for deposits [accretions] on teeth is K03.6 (sometimes written as K036). It is billable on HIPAA-covered claims from October 1, 2025 through September 30, 2026.
Is K03.6 (Other diseases of hard tissues of teeth) a billable code?
Yes. This is a billable ICD-10-CM code, specific enough to report deposits [accretions] on teeth on HIPAA-covered claims from October 1, 2025 through September 30, 2026.
What MS-DRG does K03.6 group to?
When deposits [accretions] on teeth 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 K03.6?
Under the General Equivalence Mappings, deposits [accretions] on teeth converts to ICD-9-CM 523.6 (accretions on teeth). The mapping is a direct match.
