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Chapters ENES DE

XExtension Codes
Anatomy and topography
Functional anatomy
Genitourinary system
Reproductive system
XA2GU7Female genital organs
XA99N3Uterus
XA5WW1Cervix uteri

XA3Z33 category

Internal os

Also indexed as

Internal osinternal orifice of the uterus

Nearby in Cervix uteri

XA7Z73Cervical canal

NextXA7Z73 — Cervical canal

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
06Mental, behavioural or neurodevelopmental disorders
07Sleep-wake disorders
08Diseases of the nervous system
09Diseases of the visual system
10Diseases of the ear or mastoid process
11Diseases of the circulatory system
12Diseases of the respiratory system
13Diseases of the digestive system
14Diseases of the skin
15Diseases of the musculoskeletal system or connective tissue
16Diseases of the genitourinary system
17Conditions related to sexual health
18Pregnancy, childbirth or the puerperium
19Certain conditions originating in the perinatal period
20Developmental anomalies
21Symptoms, signs or clinical findings, not elsewhere classified
22Injury, poisoning or certain other consequences of external causes
23External causes of morbidity or mortality
24Factors influencing health status or contact with health services
25Codes for special purposes
26Supplementary Chapter Traditional Medicine Conditions
VSupplementary section for functioning assessment
XExtension Codes
Severity Scale Value
Temporality
Aetiology
Topology Scale Value
Anatomy and topography
Histopathology
Dimensions of injury
Dimensions of external causes
Consciousness
5 more
Functional anatomy
Surface topography
Partonomic view
Nervous system
Visual system
Auditory system
Circulatory system
Respiratory system
Digestive system
Integumentary system
Musculoskeletal system
Genitourinary system
3 more
Urinary system
Reproductive system
XA75A2Male genital organs
XA2GU7Female genital organs
XA1MQ5Embryological structures
XA78U5Vulva
XA1LK7Vagina
XA99N3Uterus
XA1QK0Ovary
XA7E69Uterine adnexa
XA3V49Fundus of uterus
XA5229Corpus uteri
XA7F09Isthmus uteri
XA5WW1Cervix uteri
XA0KR7Connective and other soft tissues of uterus
XA3Z33Internal os
XA7Z73Cervical canal

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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