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Chapters ENES DE

20Developmental anomalies
Structural developmental anomalies primarily affecting one body system
Structural developmental anomalies of the digestive tract

LB17 category

Structural developmental anomalies of anal canal

7 subordinate codes

LB17.0Anorectal malformations
LB17.1Ectopic anus
LB17.2Persistent cloaca
LB17.3Cloacal exstrophy
LB17.4Perineal groove
4B4YOther specified diseases of the immune system
4B4ZDiseases of the immune system, unspecified

Nearby in Structural developmental anomalies of the digestive tract

LB10Structural developmental anomalies of salivary glands or ducts
LB11Congenital diverticulum of pharynx
LB12Structural developmental anomalies of oesophagus
LB13Structural developmental anomalies of stomach
LB14Structural developmental anomalies of duodenum
LB15Structural developmental anomalies of small intestine
LB16Structural developmental anomalies of large intestine
LB18Congenital anomalies of intestinal fixation

PreviousLB16 — Structural developmental anomalies of large intestine NextLB18 — Congenital anomalies of intestinal fixation

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
LA00-LD0ZStructural developmental anomalies primarily affecting one body system
LD20-LD2ZMultiple developmental anomalies or syndromes
LD40-LD7ZChromosomal anomalies, excluding gene mutations
LD90Conditions with disorders of intellectual development as a relevant clinical feature
4B4YOther specified diseases of the immune system
4B4ZDiseases of the immune system, unspecified
LA60-LA6ZStructural developmental anomalies of the neck
LA70-LA7ZStructural developmental anomalies of the respiratory system
LA80-LA9ZStructural developmental anomalies of the circulatory system
LB00-LB0ZStructural developmental anomalies of the diaphragm, abdominal wall or umbilical cord
LB10-LB1ZStructural developmental anomalies of the digestive tract
LB20-LB2ZStructural developmental anomalies of the liver, biliary tract, pancreas or spleen
LB30-LB3ZStructural developmental anomalies of the urinary system
LB40-LB4ZStructural developmental anomalies of the female genital system
LB50-LB5ZStructural developmental anomalies of the male genital system
10 more
LB10Structural developmental anomalies of salivary glands or ducts
LB11Congenital diverticulum of pharynx
LB12Structural developmental anomalies of oesophagus
LB13Structural developmental anomalies of stomach
LB14Structural developmental anomalies of duodenum
LB15Structural developmental anomalies of small intestine
LB16Structural developmental anomalies of large intestine
LB17Structural developmental anomalies of anal canal
LB18Congenital anomalies of intestinal fixation
4B4YOther specified diseases of the immune system
4B4ZDiseases of the immune system, unspecified
LB17.0Anorectal malformations
LB17.1Ectopic anus
LB17.2Persistent cloaca
LB17.3Cloacal exstrophy
LB17.4Perineal groove
4B4YOther specified diseases of the immune system
4B4ZDiseases of the immune system, unspecified

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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