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Chapters ENES DE

XExtension Codes
Aetiology
Infectious Agents
XN74MBacteria
XN5PZGram Negative Bacteria
XN4YHRickettsia

XN7WV category

Rickettsia akari

Also indexed as

Rickettsia akari

Nearby in Rickettsia

XN9YPRickettsia africae
XN23VRickettsia australis
XN8U4Rickettsia conorii
XN6W8Rickettsia felis
XN9NERickettsia helvetica
XN5NYRickettsia hoogstraalii
XN3XVRickettsia japonica
XN8SYRickettsia prowazekii

PreviousXN9YP — Rickettsia africae NextXN23V — Rickettsia australis

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
Causality
Infectious Agents
XN74MBacteria
XN3BHVirus
XN8AYFungi
XN9S1Parasites
Other Pathogens
XN5PZGram Negative Bacteria
XN2QMGram Positive Bacteria
XN87XBacteria, neither Gram Negative nor Gram Positive
XN1ZMPleisiomonas
XN3BSProteus
XN7R2Providencia
XN022Pseudomonas
XN4YHRickettsia
XN0QESalmonellae
XN71DSerratia spp
XN7HGShigella spp
XN23ZSpirillum
44 more
XN9YPRickettsia africae
XN7WVRickettsia akari
XN23VRickettsia australis
XN8U4Rickettsia conorii
XN6W8Rickettsia felis
XN9NERickettsia helvetica
XN5NYRickettsia hoogstraalii
XN3XVRickettsia japonica
XN8SYRickettsia prowazekii
XN33QRickettsia rickettsii
XN1N6Rickettsia sibirica
XN2ARRickettsia typhi

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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