ICD-11 classes
14 Diseases of the skin
Skin disorders involving specific cutaneous structures
Disorders of the epidermis and epidermal appendages
Disorders of skin colour
EC23 — Genetic disorders of skin pigmentation
EC23.1 — Syndromic genetically-determined hypermelanosis or...
LD2D.1 — Neurofibromatoses
LD2D.10 — Neurofibromatosis type 1

ICD-11 LD2D.10 — Neurofibromatosis type 1

Neurofibromatosis type 1 (NF1) is an inherited, multi-system, neurocutaneous disorder that predisposes to the development of benign and malignant tumours. Two of the following criteria are required to diagnose NF1: six or more café au lait patches, neurofibromas, i.e. peripheral nerve sheath tumours manifesting as cutaneous, sub-cutaneous or plexiform lesions, skin-fold freckling, two or more iris Lisch nodules, an optic pathway glioma, a specific bony dysplasia (thinning of the long bone cortex, sphenoid wing dysplasia), an affected first-degree relative.

It includes 1 item.

  • von Recklinghausen disease

The diagnosis excludes nothing.

It has no clarifying diagnoses.

The diagnosis is coded elsewhere:

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