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XExtension Codes
Histopathology
Adnexal and skin appendage neoplasms
Adnexal and skin appendage neoplasms, benign

XH7NR3 category

Hidrocystoma

Also indexed as

Eccrine cystadenomaHidrocystadenomaHidrocystoma

Nearby in Adnexal and skin appendage neoplasms, benign

XH6YZ9Apocrine adenoma
XH0AQ8Clear cell hidradenoma
XH46Z2Eccrine acrospiroma
XH42Z3Eccrine papillary adenoma
XH25Z9Eccrine poroma
XH3AM1Spiradenoma, NOS
XH4YU8Follicular fibroma
XH4MV7Hidradenoma, NOS

PreviousXH4YU8 — Follicular fibroma NextXH4MV7 — Hidradenoma, NOS

Browse ICD-11

01Certain infectious or parasitic diseases
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04Diseases of the immune system
05Endocrine, nutritional or metabolic diseases
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10Diseases of the ear or mastoid process
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13Diseases of the digestive system
14Diseases of the skin
15Diseases of the musculoskeletal system or connective tissue
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26Supplementary Chapter Traditional Medicine Conditions
VSupplementary section for functioning assessment
XExtension Codes
Temporality
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Anatomy and topography
Histopathology
Dimensions of injury
Dimensions of external causes
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Acinar cell neoplasms
Adenomas and adenocarcinomas
Adnexal and skin appendage neoplasms
Basal cell neoplasms
Blood vessel tumours
Complex epithelial neoplasms
Complex mixed and stromal neoplasms
Cystic, mucinous and serous neoplasms
Ductal and lobular neoplasms
41 more
Adnexal and skin appendage neoplasms, benign
Adnexal and skin appendage neoplasms, in situ
Adnexal and skin appendage neoplasms, malignant
Adnexal and skin appendage neoplasms, uncertain whether benign or malignant
XH6YZ9Apocrine adenoma
XH0AQ8Clear cell hidradenoma
XH46Z2Eccrine acrospiroma
XH42Z3Eccrine papillary adenoma
XH25Z9Eccrine poroma
XH3AM1Spiradenoma, NOS
XH4YU8Follicular fibroma
XH7NR3Hidrocystoma
XH4MV7Hidradenoma, NOS
XH4DX4Papillary hidradenoma
XH1PY0Syringocystadenoma papilliferum
XH96Q5Skin appendage adenoma
XH3U61Sweat gland adenoma
XH06Y5Syringofibroadenoma
XH6325Syringoma, NOS
8 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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