ICD10
ICD-10 Code D10.3: Benign neoplasm of other and unspecified parts of mouth
Reviewed by HealthAssure Clinical TeamUpdated 26 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 Neoplasms (C00-D49).
When is it used?
- May be used when a clinician documents benign neoplasm of other and unspecified parts of mouth 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
2Neoplasms (C00-D49)
block
D10-D36Benign neoplasms, except benign neuroendocrine tumors
category
D10Benign neoplasm of mouth and pharynx
currentD10
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
OncologistGeneral Physician
Related codes
Sibling codes
D10.0Benign neoplasm of lipbillableD10.1Benign neoplasm of tonguebillableD10.2Benign neoplasm of floor of mouthbillableD10.4Benign neoplasm of tonsilbillableD10.5Benign neoplasm of other parts of oropharynxbillableD10.6Benign neoplasm of nasopharynxbillableD10.7Benign neoplasm of hypopharynxbillableD10.9Benign neoplasm of pharynx, unspecifiedbillable
Mapped diagnoses and classifications
SNOMED_CT 91969005high
Benign neoplasm of alveolar ridge mucosa
Source: SNOMED International ICD-10 map
SNOMED_CT 188915003high
Benign neoplasm of bony palate
Source: SNOMED International ICD-10 map
SNOMED_CT 92039003high
Benign neoplasm of buccal mucosa
Source: SNOMED International ICD-10 map
SNOMED_CT 92119004high
Benign neoplasm of gingival mucosa
Source: SNOMED International ICD-10 map
SNOMED_CT 92126004high
Benign neoplasm of gum
Source: SNOMED International ICD-10 map
SNOMED_CT 92129006high
Benign neoplasm of hard palate
Source: SNOMED International ICD-10 map
Coding guidelines
Compatibility
Legacy code aligns to an official FY 2026 category. Frontend should resolve to the official category page and surface the billable child codes.
Legacy codes
D10.3
Replacement codes
D10.30 — Benign neoplasm of unspecified part of mouthD10.39 — Benign neoplasm of other parts of mouth
Common synonyms
Benign neoplasm of other and unspecified parts of mouthBenign neoplasm of other and parts of mouth
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.