What D18 covers · when clinicians use it
ICD-10 code D18 identifies Hemangioma and lymphangioma, any site in the U.S. ICD-10-CM clinical and billing record set. It sits within the Neoplasms chapter (C00–D49), the section that groups related diagnoses so providers, payers, and public-health agencies report them consistently. Clinicians and medical coders apply D18 when an encounter's findings match the Hemangioma and lymphangioma, any site description, attaching it to the patient record so downstream insurance claims, payer audits, quality reporting, and epidemiological surveillance all reference the same standardized diagnosis. The ICD-10-CM is maintained by the Centers for Medicare & Medicaid Services and the CDC's National Center for Health Statistics, with an updated official code set released each U.S. fiscal year — always verify D18 against the current CMS/CDC release and your payer's documentation guidance before final use. This page summarizes documentation context for D18 and is a coding reference, not clinical, diagnostic, or billing advice.
D18 refers to Hemangioma and lymphangioma, any site, a classification of non-cancerous tumors that arise in different organs and tissues throughout the body. While benign, these neoplasms can still impact function depending on their size and location, and may require monitoring or removal.
Symptoms
- Localized lump or swelling – Often painless and slow-growing
- Compression symptoms – From pressure on nearby organs or nerves
- Changes in function – Vision, hormone levels, digestion, or urination depending on tumor location
- Skin or surface changes – Pigmentation or nodules, especially with nevi or lipomas
- Bleeding or discharge – Rare but possible in some glandular or mucosal tumors
- Asymptomatic – Many benign tumors are found incidentally
Diagnosis
Diagnosis of Hemangioma and lymphangioma, any site is typically confirmed via imaging (ultrasound, MRI, CT), physical examination, and biopsy. Histopathological analysis distinguishes benign from malignant growths. Regular follow-up may be recommended to monitor for changes in size or behavior.
ICD10 Code Usage
ICD10 code D18 is used across specialties like oncology, radiology, dermatology, and surgery to document benign tumors. It supports clinical documentation, surgical decision-making, insurance billing, and registry classification.
Related Codes
- D10 – Benign neoplasm of mouth and pharynx
- D11 – Benign neoplasm of major salivary glands
- D12 – Benign neoplasm of colon, rectum, anus and anal canal
- D13 – Benign neoplasm of other and ill-defined parts of digestive system
- D14 – Benign neoplasm of middle ear and respiratory system
- D15 – Benign neoplasm of other and unspecified intrathoracic organs
- D16 – Benign neoplasm of bone and articular cartilage
- D17 – Benign lipomatous neoplasm
- D19 – Benign neoplasm of mesothelial tissue
- D20 – Benign neoplasm of soft tissue of retroperitoneum and peritoneum
- D21 – Other benign neoplasms of connective and other soft tissue
- D22 – Melanocytic nevi
- D23 – Other benign neoplasms of skin
- D24 – Benign neoplasm of breast
- D25 – Leiomyoma of uterus
- D26 – Other benign neoplasms of uterus
- D27 – Benign neoplasm of ovary
- D28 – Benign neoplasm of other and unspecified female genital organs
- D29 – Benign neoplasm of male genital organs
- D30 – Benign neoplasm of urinary organs
- D31 – Benign neoplasm of eye and adnexa
- D32 – Benign neoplasm of meninges
- D33 – Benign neoplasm of brain and other parts of central nervous system
- D34 – Benign neoplasm of thyroid gland
- D35 – Benign neoplasm of other and unspecified endocrine glands
- D36 – Benign neoplasm of other and unspecified sites
FAQs
Q1: What is ICD10 code D18?
A: It documents Hemangioma and lymphangioma, any site, a benign tumor or growth, in patient medical records and billing systems.
Q2: Are benign neoplasms dangerous?
A: Usually not, but they may cause symptoms or complications depending on size and location.
Q3: Can benign tumors become cancerous?
A: Rarely. Most remain benign, but some may require surveillance or removal.
Q4: How are they treated?
A: Observation, surgical excision, or other procedures depending on clinical impact.
Q5: Are they tracked in health records?
A: Yes, especially if they require intervention or are associated with specific symptoms or syndromes.
Conclusion
ICD10 code D18 ensures accurate identification and tracking of Hemangioma and lymphangioma, any site. It enables consistent documentation, supports decision-making in treatment planning, and contributes to quality care across various clinical settings.