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Chapters ENES DE

16Diseases of the genitourinary system
Diseases of the female genital system
Noninflammatory disorders of female genital tract
GA18Acquired abnormalities of ovary

GA18.4 category

Para ovarian cyst

Also indexed as

Para ovarian cyst

Nearby in Acquired abnormalities of ovary

GA18.0Follicular cyst of ovary
GA18.1Corpus luteum cyst
GA18.2Theca lutein cyst
GA18.5Torsion of ovary, ovarian pedicle or fallopian tube
GA18.6Other or unspecified ovarian cysts
GA18.7Acquired atrophy of ovary or fallopian tube
4B4YOther specified diseases of the immune system
4B4ZDiseases of the immune system, unspecified

PreviousGA18.2 — Theca lutein cyst NextGA18.5 — Torsion of ovary, ovarian pedicle or fallopian tube

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
GA00-GA6ZDiseases of the female genital system
GA80-GB0ZDiseases of the male genital system
GB20-GB2YDisorders of breast
GB40-GC2ZDiseases of the urinary system
GC40-GC51.ZOther conditions of the genitourinary system
GC70-GC7CPostprocedural disorders of genitourinary system
4B4YOther specified diseases of the immune system
4B4ZDiseases of the immune system, unspecified
GA00-GA0ZInflammatory disorders of the female genital tract
GA10Endometriosis
GA11Adenomyosis
GA12-GA1ZNoninflammatory disorders of female genital tract
GA20-GA2ZAbnormal uterine or vaginal bleeding
GA30Menopausal or perimenopausal disorders
GA31Female infertility
GA32Complications associated with medically assisted reproduction
GA33Recurrent pregnancy loss
6 more
GA14Acquired abnormalities of vagina
GA15Acquired abnormalities of cervix uteri
GA16Acquired abnormalities of uterus, except cervix
GA17Acquired abnormalities of fallopian tube
GA18Acquired abnormalities of ovary
GA19Acquired abnormalities of broad ligament
Congenital abnormalities of vulva or perineum
Congenital abnormalities of vagina
Congenital abnormalities of cervix uteri
8 more
GA18.0Follicular cyst of ovary
GA18.1Corpus luteum cyst
GA18.2Theca lutein cyst
GA18.4Para ovarian cyst
GA18.5Torsion of ovary, ovarian pedicle or fallopian tube
GA18.6Other or unspecified ovarian cysts
GA18.7Acquired atrophy of ovary or fallopian tube
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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