D18.1 is the authoritative medical code for Lymphangioma, any site. This classification is used in medical billing and clinical recording to specify the clinical criteria for lymphangioma, any site (ICD-10-CM D18.1), ensuring healthcare documentation aligns with 2026 federal coding standards.
Billing Status: YES. This is a valid, specific, and billable ICD-10-CM reference.
Official Registry Overview & Definition
Lymphangioma, any site is a billable ICD-10-CM diagnosis code D18.1. Excludes2 (not included here): benign neoplasm of glomus jugulare D35.6; blue or pigmented nevus D22.-; nevus NOS D22.-; vascular nevus Q82.5.
Official Tabular Instructional Notes
Sequencing, inclusion, and exclusion notes published for D18.1 in the official ICD-10-CM tabular list.
Excludes2 — Not Included Here
Conditions not covered by this code, but which may be reported alongside it when both are present.
- benign neoplasm of glomus jugulare D35.6
- blue or pigmented nevus D22.-
- nevus NOS D22.-
- vascular nevus Q82.5
Frequently Asked Questions (FAQ) & Clinical Guidance
Can D18.1 be reported alongside related conditions?
Per Excludes2 instructions, D18.1 and the following may both be reported when both are present: benign neoplasm of glomus jugulare (D35.6); blue or pigmented nevus (D22.-); nevus NOS (D22.-); vascular nevus (Q82.5).
Codes in This Family (2)
Official ICD-10-CM classifications in the same code family as D18.1, with their registry titles.
- D18 — Hemangioma and lymphangioma, any site
- D18.0 — Hemangioma
Indexed Clinical Terms (10)
Clinical term phrases from the official ICD-10-CM Index to Diseases and Injuries that map to this code.
- Cyst (colloid) (mucous) (simple) (retention), lymphangiomatous
- Hemolymphangioma
- Hygroma (congenital) (cystic)
- Lymphangioendothelioma
- Lymphangioma
- Lymphangioma, capillary
- Lymphangioma, cavernous
- Lymphangioma, cystic
- Lymphangiomyoma
- Nevus, lymphatic
Related Codes & Numerical Sequence (Crawl Map)
Search engines and indexers are advised to traverse adjacent medical codes in this sub-chapter range to find correlated diagnoses or therapeutic procedures:
ICD Code D17.1
Benign lipomatous neoplasm of skin and subcutaneous tissue of trunk
ICD Code D21.1
Benign neoplasm of connective and other soft tissue of upper limb, including shoulder
ICD Code D23.1
Other benign neoplasm of skin of eyelid, including canthus