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 hemangioma 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
D18Hemangioma and lymphangioma, any site
currentD18
Official coding notes
Inclusion terms
- Angioma NOS
- Cavernous nevus
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
Mapped diagnoses and classifications
SNOMED_CT 254785001high
Acquired haemangiomatosis
Source: SNOMED International ICD-10 map
SNOMED_CT 1293128000high
Anastomosing haemangioma
Source: SNOMED International ICD-10 map
SNOMED_CT 403959008high
Angiomatous naevus impairing vision
Source: SNOMED International ICD-10 map
SNOMED_CT 403966009high
Arteriovenous haemangioma
Source: SNOMED International ICD-10 map
SNOMED_CT 1293138005high
Atypical epithelioid haemangioma
Source: SNOMED International ICD-10 map
SNOMED_CT 1340056009high
Benign glomus tumor of mastoid
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
D18.0
Replacement codes
D18.00 — Hemangioma unspecified siteD18.01 — Hemangioma of skin and subcutaneous tissueD18.02 — Hemangioma of intracranial structuresD18.03 — Hemangioma of intra-abdominal structuresD18.09 — Hemangioma of other sites
Common synonyms
Hemangioma
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.