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Chapters ENES DE

13Diseases of the digestive system
Diseases of large intestine
DB36Certain infections of the large intestine
DB36.1Rectal abscess

DB36.12 category

Rectal cellulitis

Also indexed as

Rectal cellulitisrectum cellulitis

Nearby in Rectal abscess

DB36.10Perirectal abscess
DB36.11Ischiorectal abscess

PreviousDB36.11 — Ischiorectal abscess

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
DA20-DA2ZDiseases of oesophagus
DA40-DA7ZDiseases of the stomach or the duodenum
DA90-DA9ZDiseases of small intestine
DB10-DB1ZDiseases of appendix
DB30-DB3ZDiseases of large intestine
DB50-DB7ZDiseases of anal canal
DB90-DB9ZDiseases of liver
DC10-DC1ZDiseases of gallbladder or biliary tract
DC30-DC3ZDiseases of pancreas
10 more
DB31Other acquired anatomical alterations of large intestine
DB32Motility disorders of large intestine
DB33Certain noninfectious colitis or proctitis
DB34Certain vascular disorders of large intestine
DB35Polyp of large intestine
DB36Certain infections of the large intestine
Neoplasms of the large intestine
4B4YOther specified diseases of the immune system
4B4ZDiseases of the immune system, unspecified
1 more
DB36.0Colonic abscess
DB36.1Rectal abscess
4B4YOther specified diseases of the immune system
4B4ZDiseases of the immune system, unspecified
DB36.10Perirectal abscess
DB36.11Ischiorectal abscess
DB36.12Rectal cellulitis

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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