ICD-11 classes
20 Developmental anomalies
Multiple developmental anomalies or syndromes
LD27 — Syndromes with skin or mucosal anomalies as a major feature
LD27.5 — Genetic hamartoneoplastic syndromes affecting the skin
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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