2020 ICD-10-CM Diagnosis Code D18.1

Lymphangioma, any site

    2016 2017 2018 2019 2020 Billable/Specific Code
  • D18.1 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
  • The 2020 edition of ICD-10-CM D18.1 became effective on October 1, 2019.
  • This is the American ICD-10-CM version of D18.1 - other international versions of ICD-10 D18.1 may differ.
The following code(s) above D18.1 contain annotation back-references
Annotation Back-References
In this context, annotation back-references refer to codes that contain:
  • Applicable To annotations, or
  • Code Also annotations, or
  • Code First annotations, or
  • Excludes1 annotations, or
  • Excludes2 annotations, or
  • Includes annotations, or
  • Note annotations, or
  • Use Additional annotations
that may be applicable to D18.1:
  • C00-D49
    2020 ICD-10-CM Range C00-D49

    Neoplasms

    Note
    • Functional activity
    • All neoplasms are classified in this chapter, whether they are functionally active or not. An additional code from Chapter 4 may be used, to identify functional activity associated with any neoplasm.
    • Morphology [Histology]
    • Chapter 2 classifies neoplasms primarily by site (topography), with broad groupings for behavior, malignant, in situ, benign, etc. The Table of Neoplasms should be used to identify the correct topography code. In a few cases, such as for malignant melanoma and certain neuroendocrine tumors, the morphology (histologic type) is included in the category and codes.
    • Primary malignant neoplasms overlapping site boundaries
    • A primary malignant neoplasm that overlaps two or more contiguous (next to each other) sites should be classified to the subcategory/code .8 ('overlapping lesion'), unless the combination is specifically indexed elsewhere. For multiple neoplasms of the same site that are not contiguous, such as tumors in different quadrants of the same breast, codes for each site should be assigned.
    • Malignant neoplasm of ectopic tissue
    • Malignant neoplasms of ectopic tissue are to be coded to the site mentioned, e.g., ectopic pancreatic malignant neoplasms are coded to pancreas, unspecified (C25.9).
    Neoplasms
  • D18
    ICD-10-CM Diagnosis Code D18

    Hemangioma and lymphangioma, any site

      2016 2017 2018 2019 2020 Non-Billable/Non-Specific Code
    Type 1 Excludes
    • benign neoplasm of glomus jugulare (D35.6)
    • blue or pigmented nevus (D22.-)
    • nevus NOS (D22.-)
    • vascular nevus (Q82.5)
    Hemangioma and lymphangioma, any site
Approximate Synonyms
  • Benign extra-axial hygroma
  • Benign neoplasm, cystic hygroma
  • Carpal hygroma
  • Cystic hygroma
  • Hygroma, carpal
  • Hygroma, extraaxial, benign
  • Lymphangioma
  • Subdural hygroma
Clinical Information
  • A benign neoplasm arising from the lymphatics.
  • A benign neoplasm arising from the lymphatics. The tumor is composed of dilated lymphatic channels. Painless swelling is the usual clinical manifestation.
  • A benign tumor resulting from a congenital malformation of the lymphatic system. Lymphangioendothelioma is a type of lymphangioma in which endothelial cells are the dominant component.
ICD-10-CM D18.1 is grouped within Diagnostic Related Group(s) (MS-DRG v37.0):
  • 814 Reticuloendothelial and immunity disorders with mcc
  • 815 Reticuloendothelial and immunity disorders with cc
  • 816 Reticuloendothelial and immunity disorders without cc/mcc

Convert D18.1 to ICD-9-CM

Code History
  • 2016 (effective 10/1/2015): New code (first year of non-draft ICD-10-CM)
  • 2017 (effective 10/1/2016): No change
  • 2018 (effective 10/1/2017): No change
  • 2019 (effective 10/1/2018): No change
  • 2020 (effective 10/1/2019): No change
Code annotations containing back-references to D18.1:
  • Type 1 Excludes: D21
    , D36.0
    ICD-10-CM Diagnosis Code D21

    Other benign neoplasms of connective and other soft tissue

      2016 2017 2018 2019 2020 Non-Billable/Non-Specific Code
    Includes
    • benign neoplasm of blood vessel
    • benign neoplasm of bursa
    • benign neoplasm of cartilage
    • benign neoplasm of fascia
    • benign neoplasm of fat
    • benign neoplasm of ligament, except uterine
    • benign neoplasm of lymphatic channel
    • benign neoplasm of muscle
    • benign neoplasm of synovia
    • benign neoplasm of tendon (sheath)
    • benign stromal tumors
    Type 1 Excludes
    • benign neoplasm of articular cartilage (D16.-)
    • benign neoplasm of cartilage of larynx (D14.1)
    • benign neoplasm of cartilage of nose (D14.0)
    • benign neoplasm of connective tissue of breast (D24.-)
    • benign neoplasm of peripheral nerves and autonomic nervous system (D36.1-)
    • benign neoplasm of peritoneum (D20.1)
    • benign neoplasm of retroperitoneum (D20.0)
    • benign neoplasm of uterine ligament, any (D28.2)
    • benign neoplasm of vascular tissue (D18.-)
    • hemangioma (D18.0-)
    • lipomatous neoplasm (D17.-)
    • lymphangioma (D18.1)
    • uterine leiomyoma (D25.-)
    ICD-10-CM Diagnosis Code D36.0

    Benign neoplasm of lymph nodes

      2016 2017 2018 2019 2020 Billable/Specific Code
    Type 1 Excludes

Diagnosis Index entries containing back-references to D18.1:
  • Cyst (colloid) (mucous) (simple) (retention)
    • lymphangiomatous D18.1
  • Hemolymphangioma D18.1
  • Hygroma (congenital) (cystic) D18.1
  • Lymphangioendothelioma D18.1
  • Lymphangioma D18.1
    • capillary D18.1
    • cavernous D18.1
    • cystic D18.1
  • Lymphangiomyoma D18.1
  • Nevus D22.9
    ICD-10-CM Diagnosis Code D22.9

    Melanocytic nevi, unspecified

      2016 2017 2018 2019 2020 Billable/Specific Code
    • lymphatic D18.1

ICD-10-CM Codes Adjacent To D18.1
D17.72 Benign lipomatous neoplasm of other genitourinary organ
D17.79 Benign lipomatous neoplasm of other sites
D17.9 Benign lipomatous neoplasm, unspecified
D18 Hemangioma and lymphangioma, any site
D18.0 Hemangioma
D18.00 …… unspecified site
D18.01 …… of skin and subcutaneous tissue
D18.02 …… of intracranial structures
D18.03 …… of intra-abdominal structures
D18.09 …… of other sites
D18.1 Lymphangioma, any site
D19 Benign neoplasm of mesothelial tissue
D19.0 Benign neoplasm of mesothelial tissue of pleura
D19.1 Benign neoplasm of mesothelial tissue of peritoneum
D19.7 Benign neoplasm of mesothelial tissue of other sites
D19.9 Benign neoplasm of mesothelial tissue, unspecified
D20 Benign neoplasm of soft tissue of retroperitoneum and peritoneum
D20.0 Benign neoplasm of soft tissue of retroperitoneum
D20.1 Benign neoplasm of soft tissue of peritoneum
D21 Other benign neoplasms of connective and other soft tissue
D21.0 Benign neoplasm of connective and other soft tissue of head, face and neck

Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.