Benign Mesenchymal Neoplasms – Definitions & ICD 11 Codes

Benign lipomatous neoplasm

Definition ofBenign lipomatous neoplasm: A benign tumour composed of adipose (fatty) tissue. The most common representative of this category is the lipoma.

ICD 11 Code For Benign lipomatous neoplasm

  2E80  Benign lipomatous neoplasm

2E80.0 Lipoma

2E80.00 Superficial subcutaneous lipoma

Definition of Superficial subcutaneous lipoma: A benign well-circumscribed mesenchymal neoplasm composed of mature adipocytes and commonly known as a lipoma.

2E80.01 Deep subfascial lipoma

Definition of Deep subfascial lipoma: Deep subfascial lipomata are benign neoplasms of adipose tissue which arise deep to the deep fascia and have a tendency to infiltrate between and into muscle. They may occur at any body site and may cause diagnostic difficulty. They are well recognised to occur on the forehead beneath the frontalis muscle (frontalis-associated lipoma).

Inclusions:

  • Frontalis-associated lipoma
  • Infiltrating lipoma of soft tissue
  • Intramuscular lipoma of soft tissue

2E80.02 Deep internal or visceral lipoma

2E80.0Y Lipoma other specified site

2E80.0Z Lipoma unspecified site

2E80.1 Lipoblastoma

2E80.Y Other specified benign lipomatous neoplasm

2E80.Z Benign lipomatous neoplasm unspecified

Benign vascular neoplasms

ICD 11 Code For Benign vascular neoplasms

  2E81  Benign vascular neoplasms

Exclusions:

  • Blue naevus (2F20)
  • Pigmented naevus (2F20)

Coded Elsewhere:

2E81.0 Neoplastic haemangioma

Exclusions:

  • Benign vascular neoplasms of infancy and childhood (2E81.2)
  • Infantile haemangioma (2E81.2)

Coded Elsewhere:

  • Pulmonary sclerosing haemangioma (2F00.Y)

2E81.00 Umbilical cord haemangioma

Definition of Umbilical cord haemangioma: tumour composed of thin walled blood vessels lined by endothelium present within the cord

2E81.01 Conjunctival haemangioma or haemolymphangioma

2E81.0Y Neoplastic haemangioma of other specified site

2E81.0Z Neoplastic haemangioma unspecified

2E81.1 Benign lymphatic neoplasms

Definition of Benign lymphatic neoplasms: Benign circumscribed or diffuse neoplasms of lymphatic vessels. They are are much less common than lymphatic malformations and are distinguished from the latter by proliferative growth and the potential to become widely disseminated.

Exclusions:

  • Lymphatic malformations (LA90.1)

2E81.10 Disseminated lymphangiomatosis

Definition of Disseminated lymphangiomatosis: A rare disorder characterised by widespread proliferation of aberrant lymphatic vessels which typically infiltrate vital organs in the thorax and abdomen.

2E81.11 Acquired progressive lymphangioma

Definition of Acquired progressive lymphangioma: Acquired progressive lymphangioma is a benign localised but slowly progressive tumour of lymphatic vessels that typically presents as reddish or bruise‐like plaques on the abdominal wall, thigh or calf of young adolescents.

Exclusions:

  • Lymphatic malformations (LA90.1)

2E81.1Y Other specified benign lymphatic neoplasms

2E81.1Z Benign lymphatic neoplasms unspecified

2E81.2 Benign vascular neoplasms of infancy and childhood

Definition of Benign vascular neoplasms of infancy and childhood: The commonest benign vascular neoplasm of infancy is infantile haemangioma. Less common neoplasms are congenital haemangioma, spindle cell haemangioma, tufted angioma and kaposiform haemangioendothelioma.

2E81.20 Focal infantile haemangioma

Definition of Focal infantile haemangioma: Infantile haemangioma is a common benign vascular neoplasm which develops in about 4% of infants. It appears within weeks of birth as a blanched, blushed, or telangiectatic area that then rapidly proliferates for several months before entering a prolonged process of involution lasting up to 12 years, leaving a residual variably prominent scar. A solitary focal tumour is seen in about 85% of cases. Over half of cases are located on the head and neck. Complications include bleeding, infection, ulceration and, in tumours situated close to the eye, amblyopia.

Inclusions:

  • Strawberry naevus

2E81.21 Multifocal infantile haemangioma

Definition of Multifocal infantile haemangioma: Infantile haemangioma is multifocal in up to 25% of cases with numbers ranging from a few to many dozens. If more than 5 cutaneous tumours are present there is an increased risk of associated internal haemangiomatosis, especially of the liver.

2E81.2Y Other specified benign vascular neoplasms of infancy and childhood

2E81.2Z Benign vascular neoplasms of infancy and childhood unspecified

2E81.Y Other specified benign vascular neoplasms

2E81.Z Benign vascular neoplasms unspecified

Benign chondrogenic tumours

ICD 11 Code For Benign chondrogenic tumours

  2E82  Benign chondrogenic tumours

2E82.0 Benign chondrogenic tumours of bone or articular cartilage of limbs

2E82.1 Benign chondrogenic tumours of bone or articular cartilage of other specified sites

2E82.Z Benign chondrogenic tumours site unspecified

Benign osteogenic tumours

Definition of Benign osteogenic tumours: A neoplasm arising from the bone or articular cartilage that does not invade adjacent tissues or metastasize to other anatomic sites. Representative examples include benign fibrous histiocytoma of bone, osteoma, osteoblastoma, chondroblastoma, and enchondroma.

ICD 11 Code For Benign osteogenic tumours

  2E83  Benign osteogenic tumours

2E83.0 Benign osteogenic tumours of bone or articular cartilage of skull or face

2E83.1 Benign osteogenic tumours of bone or articular cartilage of lower jaw

2E83.2 Benign osteogenic tumours of bone or articular cartilage of vertebral column

Exclusions:

  • Benign osteogenic tumour of sacrum (2E83.4)

2E83.3 Benign osteogenic tumours of bone or articular cartilage of ribs sternum or clavicle

2E83.4 Benign osteogenic tumours of bone or articular cartilage of pelvic bones sacrum or coccyx

2E83.5 Benign osteogenic tumours of bone or articular cartilage of limbs

2E83.Y Benign osteogenic tumour of other specified site

2E83.Z Benign osteogenic tumour of unspecified site

Benign fibrogenic or myofibrogenic tumour

ICD 11 Code For Benign fibrogenic or myofibrogenic tumour

  2E84  Benign fibrogenic or myofibrogenic tumour

2E84.0 Benign fibrogenic or myofibrogenic tumour of skin

2E84.Y Benign fibrogenic or myofibrogenic tumour of other specified sites

2E84.Z Benign fibrogenic or myofibrogenic tumour site unknown

Benign fibrohistiocytic tumour

ICD 11 Code For Benign fibrohistiocytic tumour

  2E85  Benign fibrohistiocytic tumour

Exclusions:

  • Benign neoplasm of peripheral nerves or autonomic nervous system
  • Benign lymphatic neoplasms (2E81.1)
  • Benign lipomatous neoplasm (2E80)
  • Haemangioma (2E81)
  • Benign neoplasm of uterine ligament, any (2F31)
  • Benign vascular neoplasms (2E81)
  • Leiomyoma of uterus (2E86.0)
  • Benign neoplasm of connective tissue of breast (2F30)

2E85.0 Benign fibrohistiocytic tumour of soft tissues of limbs

2E85.1 Benign fibrohistiocytic tumour of retroperitoneum or peritoneum

Exclusions:

2E85.2 Benign fibrohistiocytic tumour of skin

2E85.Y Benign fibrohistiocytic tumour of other specified sites

2E85.Z Benign fibrohistiocytic tumour site unspecified

Benign smooth muscle or skeletal muscle tumour

ICD 11 Code For Benign smooth muscle or skeletal muscle tumour

  2E86  Benign smooth muscle or skeletal muscle tumour

2E86.0 Leiomyoma of uterus

Definition of Leiomyoma of uterus: A well-circumscribed benign smooth muscle neoplasm characterised by the presence of spindle cells with cigar-shaped nuclei, interlacing fascicles, and a whorled pattern.

Exclusions:

  • Leiomyoma of ovary (2E86.1)
  • Leiomyoma of fallopian tube (2E86.1)
  • Leiomyoma of broad ligament (2E86.1)
  • Leiomyoma of vagina (2E86.1)
  • Leiomyoma of vulva (2E86.1)
  • Benign non-mesenchymal neoplasms of uterus (2F31)

2E86.1 Leiomyoma of other or unspecified sites

2E86.2 Rhabdomyoma

2E86.Y Other specified benign smooth muscle or skeletal muscle tumour

2E86.Z Benign smooth muscle or skeletal muscle tumour unspecified

Benign gastrointestinal stromal tumour

ICD 11 Code For Benign gastrointestinal stromal tumour

  2E87  Benign gastrointestinal stromal tumour

Benign endometrial stromal nodule

ICD 11 Code For Benign endometrial stromal nodule

  2E88  Benign endometrial stromal nodule

Benign mesenchymal tumours of uncertain differentiation

ICD 11 Code For Benign mesenchymal tumours of uncertain differentiation

  2E89  Benign mesenchymal tumours of uncertain differentiation

2E89.0 Benign tumours of uncertain differentiation bone or cartilage

2E89.1 Benign tumours of uncertain differentiation soft tissue

2E89.Y Benign mesenchymal tumours of uncertain differentiation of other specified site

2E89.Z Benign mesenchymal tumours of uncertain differentiation of unspecified site

Other mixed or unspecified benign mesenchymal tumours

ICD 11 Code For Other mixed or unspecified benign mesenchymal tumours

  2E8A  Other mixed or unspecified benign mesenchymal tumours

Other specified benign mesenchymal neoplasm

ICD 11 Code For Other specified benign mesenchymal neoplasm

  2E8Y  Other specified benign mesenchymal neoplasm

Benign mesenchymal neoplasms unspecified

ICD 11 Code For Benign mesenchymal neoplasms unspecified

2E8Z  Benign mesenchymal neoplasms unspecified

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