What does ICD-10 code K08.40 mean?

ICD-10 code K08.40 is the standardized code used for partial loss of teeth, unspecified cause in medical records and coding systems.

When is ICD-10 code K08.40 used?

Doctors, hospitals, and insurers may use ICD-10 code K08.40 when recording partial loss of teeth, unspecified cause in a standardized format. This entry may also act as a broader category that points toward more specific child codes.

Does ICD-10 code K08.40 confirm a diagnosis?

No. A code helps standardize documentation and claims, but it should not be read as a substitute for a clinician's full assessment.

ICD10

ICD-10 Code K08.40: Partial loss of teeth, unspecified cause

Name: ICD-10 Code K08.40: Partial loss of teeth, unspecified cause
Creator: HealthAssure Clinical Team
Published: 2026-05-21T06:15:14.003Z

K08.40 is an ICD-10 diagnosis entry used to group records related to Partial loss of teeth, unspecified cause. You may see this entry in coding references, medical records, or claims workflows when a broader diagnosis category is being reviewed before a more specific code is chosen. ICD-10 entries help standardize how diagnoses are organized for coding, reporting, analytics, and documentation. This code sits within the broader ICD-10 area for Diseases of the digestive system (K00-K95).

Reviewed by HealthAssure Clinical TeamUpdated 21 May 2026

What is this code?

ICD-10 entries help standardize how diagnoses are organized for coding, reporting, analytics, and documentation. This code sits within the broader ICD-10 area for Diseases of the digestive system (K00-K95).

When is it used?

May be used when a clinician documents partial loss of teeth, unspecified cause in a patient's medical record.
May appear in hospital records, claims, referrals, and clinical documentation.
This code may act more like a grouping or parent code, so a more specific child code may be used in final documentation when available.

What it does not mean

A code alone does not explain severity, treatment plan, or outcome.
A medical code should not be treated as a substitute for a doctor's diagnosis or advice.
This entry may represent a broader category rather than the most specific billable code.

Code hierarchy

chapter

11Diseases of the digestive system (K00-K95)

block

K00-K14Diseases of oral cavity and salivary glands

Where you may see this code

You may see this entry in coding references, medical records, or claims workflows when a broader diagnosis category is being reviewed before a more specific code is chosen.

Related specialists

GastroenterologistGeneral Physician

Sibling codes

K08.41Partial loss of teeth due to trauma K08.42Partial loss of teeth due to periodontal diseases K08.43Partial loss of teeth due to caries K08.49Partial loss of teeth due to other specified cause

Coding guidelines

Common synonyms

Partial loss of teeth, unspecified causePartial loss of teeth

Frequently asked questions

About this content

This page is prepared by HealthAssure's clinical team using official coding standards from ICD-10. AI tools assist with drafting explanations, which are then reviewed and verified by healthcare professionals for accuracy. This content is for informational purposes and does not replace professional medical advice. Meet our team.