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Chapters ENES DE

XExtension Codes
Anatomy and topography
Surface topography
XA1RS6Head and neck
XA20Q1Head
XA86S4Face
XA5A87Oral region
XA8JD4Lip
XA1BP2Inner aspect of lip

XA3141 category

Frenulum of lip

Also indexed as

Frenulum labii, NOSFrenulum of lipFrenulum of lip, NOS

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
XA1RS6Head and neck
XA3FR3Trunk
XA6AS2Extremities
XA20Q1Head
XA7AA6Neck
XA6CW5Scalp
XA86S4Face
XA6TR8Forehead
XA9T94Temple
XA29E7Orbital region
XA7MK8Cheek
XA3H13Nose
XA5A87Oral region
XA04T9Skin of nose
XA1A48Perioral region
XA8JD4Lip
XA2C62Chin
XA7VQ4Upper lip
XA1EF8Labial commissure
XA15W6Lower lip
XA1BP2Inner aspect of lip
XA3K27External lip
XA3141Frenulum of lip

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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