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XExtension Codes
Histopathology
Nevi and melanomas
Nevi and melanomas, benign

XH6DN3 category

Diffuse melanocytosis

Also indexed as

Diffuse melanocytosis

Nearby in Nevi and melanomas, benign

XH8RN4Balloon cell naevus
XH27A6Compound naevus
XH9035Dysplastic naevus
XH2HG8Epithelioid and spindle cell naevus
XH8ZB4Hairy naevus
XH5971Halo naevus
XH2MQ5Dermal naevus
XH1BE4Magnocellular naevus

PreviousXH27A6 — Compound naevus NextXH9035 — Dysplastic naevus

Browse ICD-11

01Certain infectious or parasitic diseases
02Neoplasms
03Diseases of the blood or blood-forming organs
04Diseases of the immune system
05Endocrine, nutritional or metabolic diseases
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07Sleep-wake disorders
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19Certain conditions originating in the perinatal period
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23External causes of morbidity or mortality
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26Supplementary Chapter Traditional Medicine Conditions
VSupplementary section for functioning assessment
XExtension Codes
Temporality
Aetiology
Topology Scale Value
Anatomy and topography
Histopathology
Dimensions of injury
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Myomatous neoplasms
Myxomatous neoplasms
Nerve sheath tumours
Neuroepitheliomatous neoplasms
Nevi and melanomas
Odontogenic tumours
Osseous and chondromatous neoplasms
Paragangliomas and glomus tumours
Soft tissue tumours and sarcomas, NOS
41 more
Nevi and melanomas, benign
Nevi and melanomas, in situ
Nevi and melanomas, malignant
Nevi and melanomas, uncertain whether benign or malignant
XH8RN4Balloon cell naevus
XH27A6Compound naevus
XH6DN3Diffuse melanocytosis
XH9035Dysplastic naevus
XH2HG8Epithelioid and spindle cell naevus
XH8ZB4Hairy naevus
XH5971Halo naevus
XH2MQ5Dermal naevus
XH1BE4Magnocellular naevus
XH8CU4Neuronevus
XH0XH2Nonpigmented naevus
XH4L78Pigmented naevus, NOS
XH02Z5Melanocytoma, NOS
XH8974Meningeal melanocytosis
XH1M79Junctional naevus, NOS
16 more

International Classification of Diseases, Eleventh Revision (ICD-11), World Health Organization (WHO) 2019/2021, https://icd.who.int/browse11. Licensed under Creative Commons Attribution-NoDerivatives 3.0 IGO (CC BY-ND 3.0 IGO).

Release 2026-01. View this entity in the official WHO ICD-11 browser.

This page reproduces WHO classification content for reference. It is not medical advice and must not be used to diagnose or treat. For coding decisions, consult the official release and your national coding guidelines.

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