Superficial spreading melanoma, primary

Description

The commonest form of melanoma, superficial spreading malignant melanoma accounts for about 70 per cent of all melanomas. It characteristically presents as an asymptomatic pigmented cutaneous macule which is asymmetrical in shape and displays variability in both hue and pigment intensity. It has a relatively long phase of progressive superficial extension (radial growth) before penetrating deeper into the dermis and entering an invasive vertical growth phase.

Coding note from above levels

For use of this category, reference should be made to the mortality coding rules and guidelines in the Reference Guide.

Index terms

Superficial spreading melanoma, primary
Pagetoid melanoma

Exclusions from above levels

2C00.1 – Melanoma of anus or anal canal
2C70.1 – Melanoma of vulva
2C81.1 – Melanoma of penis

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2E08 – Metastatic melanoma involving skin
2E08 – Malignant neoplasm metastasis in skin
2E64 – Carcinoma in situ of skin
http://id.who.int/icd/entity/1965082709 – Malignant mesenchymal neoplasms
http://id.who.int/icd/entity/879154182 – Neoplasms of central nervous system or related structures
http://id.who.int/icd/entity/944754984 – Neoplasms of haematopoietic or lymphoid tissues

Sibling codes

2C30.1 – Nodular melanoma, primary
2C30.2 – Lentigo maligna melanoma, primary
2C30.3 – Acral lentiginous melanoma, primary
2C30.Y – Other specified melanoma of skin
2C30.Z – Melanoma of skin, unspecified

Foundation entity

Superficial spreading melanoma, primary – http://id.who.int/icd/entity/737272884

Allowed postcoordination axes

Part of: 2C30: Melanoma of skin › 02: Neoplasms