45292006: Vulval structure (body structure)

SNOMED CT Concept\Body structure\Anatomical or acquired body structure (body structure)\Anatomical structure\...

\Body system structure\Structure of subdivision of organ system (body structure)\Structure of genitourinary system subdivision\Structure of genitourinary tract\Structure of female genitourinary tract (body structure)\Female genital tract structure (body structure)\Vulval structure
\Body system structure\Structure of subdivision of organ system (body structure)\Structure of genitourinary system subdivision\Structure of genitourinary tract\Structure of female genitourinary tract (body structure)\Structure of lower female genitourinary tract\Structure of lower female genital tract (body structure)\Vulval structure
\Body system structure\Structure of subdivision of organ system (body structure)\Structure of genitourinary system subdivision\Structure of genitourinary tract\Lower genitourinary tract structure (body structure)\Structure of lower female genitourinary tract\Structure of lower female genital tract (body structure)\Vulval structure
\Body system structure\Structure of subdivision of organ system (body structure)\Structure of genitourinary system subdivision\Reproductive anatomical structure\Structure of female genital system subdivision (body structure)\Structure of lower female genital tract (body structure)\Vulval structure
\Body system structure\Structure of subdivision of organ system (body structure)\Structure of genitourinary system subdivision\Reproductive anatomical structure\Structure of female genital system subdivision (body structure)\Female genital structure\Female genital tract structure (body structure)\Vulval structure
\Body system structure\Structure of subdivision of organ system (body structure)\Structure of genitourinary system subdivision\Reproductive anatomical structure\Genital structure\External genitalia structure\Vulval structure
\Body system structure\Structure of subdivision of organ system (body structure)\Structure of genitourinary system subdivision\Reproductive anatomical structure\Genital structure\Female genital structure\Female genital tract structure (body structure)\Vulval structure
\Body system structure\Structure of genitourinary system (body structure)\Structure of genitourinary system subdivision\Structure of genitourinary tract\Structure of female genitourinary tract (body structure)\Female genital tract structure (body structure)\Vulval structure
\Body system structure\Structure of genitourinary system (body structure)\Structure of genitourinary system subdivision\Structure of genitourinary tract\Structure of female genitourinary tract (body structure)\Structure of lower female genitourinary tract\Structure of lower female genital tract (body structure)\Vulval structure
\Body system structure\Structure of genitourinary system (body structure)\Structure of genitourinary system subdivision\Structure of genitourinary tract\Lower genitourinary tract structure (body structure)\Structure of lower female genitourinary tract\Structure of lower female genital tract (body structure)\Vulval structure
\Body system structure\Structure of genitourinary system (body structure)\Structure of genitourinary system subdivision\Reproductive anatomical structure\Structure of female genital system subdivision (body structure)\Structure of lower female genital tract (body structure)\Vulval structure
\Body system structure\Structure of genitourinary system (body structure)\Structure of genitourinary system subdivision\Reproductive anatomical structure\Structure of female genital system subdivision (body structure)\Female genital structure\Female genital tract structure (body structure)\Vulval structure
\Body system structure\Structure of genitourinary system (body structure)\Structure of genitourinary system subdivision\Reproductive anatomical structure\Genital structure\External genitalia structure\Vulval structure
\Body system structure\Structure of genitourinary system (body structure)\Structure of genitourinary system subdivision\Reproductive anatomical structure\Genital structure\Female genital structure\Female genital tract structure (body structure)\Vulval structure
\Body system structure\Structure of genitourinary system (body structure)\Female genitourinary system structure\Structure of female genitourinary tract (body structure)\Female genital tract structure (body structure)\Vulval structure
\Body system structure\Structure of genitourinary system (body structure)\Female genitourinary system structure\Structure of female genitourinary tract (body structure)\Structure of lower female genitourinary tract\Structure of lower female genital tract (body structure)\Vulval structure
\Body system structure\Structure of genitourinary system (body structure)\Female genitourinary system structure\Structure of female genital system subdivision (body structure)\Structure of lower female genital tract (body structure)\Vulval structure
\Body system structure\Structure of genitourinary system (body structure)\Female genitourinary system structure\Structure of female genital system subdivision (body structure)\Female genital structure\Female genital tract structure (body structure)\Vulval structure

\Sex structure\Female structure\...

\Structure of pelvic segment of trunk of female\Female perineal structure\Structure of female anogenital region (body structure)\Vulval structure
\Structure of pelvic segment of trunk of female\Female genital structure\Female genital tract structure (body structure)\Vulval structure

Status: current, Not sufficiently defined by necessary conditions definition status (core metadata concept). Date: 31-Jan 2002. Module: SNOMED CT core

Descriptions:

Expanded Value Set

Outbound Relationships	Type	Target	Active	Characteristic	Refinability	Group	Values
Vulval structure	Is a	Female perineal structure	false	Inferred relationship	Existential restriction modifier (core metadata concept)
Vulval structure	Is a	Structure of urogenital region of perineum	false	Inferred relationship	Existential restriction modifier (core metadata concept)
Vulval structure	partie de	Entire female perineum	false	Inferred relationship	Existential restriction modifier (core metadata concept)
Vulval structure	partie de	Entire urogenital region of perineum	false	Inferred relationship	Existential restriction modifier (core metadata concept)
Vulval structure	partie de	Entire female external genitalia	false	Additional relationship (core metadata concept)	Existential restriction modifier (core metadata concept)
Vulval structure	Is a	Female external genitalia structure	false	Inferred relationship	Existential restriction modifier (core metadata concept)
Vulval structure	Is a	Female genital tract structure (body structure)	true	Inferred relationship	Existential restriction modifier (core metadata concept)
Vulval structure	Is a	Vulval and/or female perineal structures	false	Inferred relationship	Existential restriction modifier (core metadata concept)
Vulval structure	Is a	Structure of pelvic segment of trunk of female	false	Inferred relationship	Existential restriction modifier (core metadata concept)
Vulval structure	Is a	Structure of female anogenital region (body structure)	true	Inferred relationship	Existential restriction modifier (core metadata concept)
Vulval structure	Is a	External genitalia structure	true	Inferred relationship	Existential restriction modifier (core metadata concept)
Vulval structure	Is a	Structure of lower female genital tract (body structure)	true	Inferred relationship	Existential restriction modifier (core metadata concept)
Vulval structure	Is a	Female genital structure	false	Inferred relationship	Existential restriction modifier (core metadata concept)

Inbound Relationships	Type	Active	Source	Characteristic	Refinability	Group
Superficial foreign body of vulva without major open wound AND without infection	Finding site	False	Vulval structure	Inferred relationship	Existential restriction modifier (core metadata concept)	1
Reconstruction of vulva with graft of skin (procedure)	Procedure site	False	Vulval structure	Inferred relationship	Existential restriction modifier (core metadata concept)	3
Vulval hematoma due to birth trauma (disorder)	Finding site	False	Vulval structure	Inferred relationship	Existential restriction modifier (core metadata concept)	2
Vulval haematoma in labour	Finding site	False	Vulval structure	Inferred relationship	Existential restriction modifier (core metadata concept)	1
Postpartum vulval haematoma	Finding site	False	Vulval structure	Inferred relationship	Existential restriction modifier (core metadata concept)	2
Hematoma of vulva of fetus or newborn as birth trauma (disorder)	Finding site	False	Vulval structure	Inferred relationship	Existential restriction modifier (core metadata concept)	2
Hematoma of vulva	Finding site	False	Vulval structure	Inferred relationship	Existential restriction modifier (core metadata concept)	2
Resuture of episiotomy dehiscence	Procedure site	False	Vulval structure	Inferred relationship	Existential restriction modifier (core metadata concept)	1
Resuture of episiotomy	Procedure site	False	Vulval structure	Inferred relationship	Existential restriction modifier (core metadata concept)	5
Episioplasty	Procedure site	False	Vulval structure	Inferred relationship	Existential restriction modifier (core metadata concept)	1
Injection of vulva (procedure)	Procedure site	False	Vulval structure	Inferred relationship	Existential restriction modifier (core metadata concept)	2
Congenital cyst of vulva	Finding site	False	Vulval structure	Inferred relationship	Existential restriction modifier (core metadata concept)	1
Bassett operation for vulvectomy with inguinal lymph node dissection	Procedure site	False	Vulval structure	Inferred relationship	Existential restriction modifier (core metadata concept)	1
Blister of vulva with infection (disorder)	Finding site	False	Vulval structure	Inferred relationship	Existential restriction modifier (core metadata concept)	1
Paget's disease of vulva	Finding site	False	Vulval structure	Inferred relationship	Existential restriction modifier (core metadata concept)	2
Abrasion and/or friction burn of vulva without infection	Finding site	False	Vulval structure	Inferred relationship	Existential restriction modifier (core metadata concept)	1
Open wound of vulva with complication, unspecified	Finding site	False	Vulval structure	Inferred relationship	Existential restriction modifier (core metadata concept)	1
Open wound of vulva with complication, NOS	Finding site	False	Vulval structure	Inferred relationship	Existential restriction modifier (core metadata concept)	1
Specimen from vulva (specimen)	Specimen source topography	True	Vulval structure	Inferred relationship	Existential restriction modifier (core metadata concept)	1
Specimen from vulva obtained by local excision (specimen)	Specimen source topography	True	Vulval structure	Inferred relationship	Existential restriction modifier (core metadata concept)	1
Specimen from vulva obtained by wide excision (specimen)	Specimen source topography	True	Vulval structure	Inferred relationship	Existential restriction modifier (core metadata concept)	1
Specimen from vulva obtained by partial vulvectomy (specimen)	Specimen source topography	True	Vulval structure	Inferred relationship	Existential restriction modifier (core metadata concept)	1
Specimen from vulva obtained by total vulvectomy (specimen)	Specimen source topography	True	Vulval structure	Inferred relationship	Existential restriction modifier (core metadata concept)	1
Specimen from vulva obtained by radical vulvectomy (specimen)	Specimen source topography	True	Vulval structure	Inferred relationship	Existential restriction modifier (core metadata concept)	1
Dysplasia of vulva (disorder)	Finding site	False	Vulval structure	Inferred relationship	Existential restriction modifier (core metadata concept)	1
Tissue specimen from vulva (specimen)	Specimen source topography	True	Vulval structure	Inferred relationship	Existential restriction modifier (core metadata concept)	1
Vulval intraepithelial neoplasia (VIN)	Finding site	False	Vulval structure	Inferred relationship	Existential restriction modifier (core metadata concept)	1
In situ neoplasm of vulva	Finding site	False	Vulval structure	Inferred relationship	Existential restriction modifier (core metadata concept)	1
Lymphedema of vulva (disorder)	Finding site	False	Vulval structure	Inferred relationship	Existential restriction modifier (core metadata concept)	1
Vulval intraepithelial neoplasia with lichen sclerosus (disorder)	Finding site	False	Vulval structure	Inferred relationship	Existential restriction modifier (core metadata concept)	1
Vulval intraepithelial neoplasia with squamous epithelial hyperplasia (disorder)	Finding site	False	Vulval structure	Inferred relationship	Existential restriction modifier (core metadata concept)	1
Vulvovaginal scarring due to ritual circumcision (disorder)	Finding site	True	Vulval structure	Inferred relationship	Existential restriction modifier (core metadata concept)	1
Squamous cell carcinoma of vulva due to lichen sclerosus (disorder)	Finding site	False	Vulval structure	Inferred relationship	Existential restriction modifier (core metadata concept)	2
Injection of vulva (procedure)	Procedure site	False	Vulval structure	Inferred relationship	Existential restriction modifier (core metadata concept)	1
Hematoma of vulva	Finding site	False	Vulval structure	Inferred relationship	Existential restriction modifier (core metadata concept)	2
Reconstruction of vulva with graft of skin (procedure)	Procedure site	False	Vulval structure	Inferred relationship	Existential restriction modifier (core metadata concept)	3
Postpartum vulval haematoma	Finding site	False	Vulval structure	Inferred relationship	Existential restriction modifier (core metadata concept)	2
Hematoma of vulva of fetus or newborn as birth trauma (disorder)	Finding site	False	Vulval structure	Inferred relationship	Existential restriction modifier (core metadata concept)	2
Bassett operation for vulvectomy with inguinal lymph node dissection	Procedure site	False	Vulval structure	Inferred relationship	Existential restriction modifier (core metadata concept)	1
Episioplasty	Procedure site	False	Vulval structure	Inferred relationship	Existential restriction modifier (core metadata concept)	1
Resuture of episiotomy dehiscence	Procedure site	False	Vulval structure	Inferred relationship	Existential restriction modifier (core metadata concept)	2
Congenital cyst of vulva	Finding site	False	Vulval structure	Inferred relationship	Existential restriction modifier (core metadata concept)	2
Vulval hematoma due to birth trauma (disorder)	Finding site	False	Vulval structure	Inferred relationship	Existential restriction modifier (core metadata concept)	2
Blister of vulva with infection (disorder)	Finding site	False	Vulval structure	Inferred relationship	Existential restriction modifier (core metadata concept)	1
Resuture of episiotomy	Procedure site	False	Vulval structure	Inferred relationship	Existential restriction modifier (core metadata concept)	1
Vulval haematoma in labour	Finding site	False	Vulval structure	Inferred relationship	Existential restriction modifier (core metadata concept)	2
Vulval intraepithelial neoplasia grade 3	Finding site	False	Vulval structure	Inferred relationship	Existential restriction modifier (core metadata concept)	1
Local excision of lesion of vulva (procedure)	Procedure site	False	Vulval structure	Inferred relationship	Existential restriction modifier (core metadata concept)	1
[X]Severe vulvar dysplasia, not elsewhere classified	Finding site	False	Vulval structure	Inferred relationship	Existential restriction modifier (core metadata concept)	1
Injection of vulva (procedure)	Procedure site	False	Vulval structure	Inferred relationship	Existential restriction modifier (core metadata concept)	2
Manipulation of tissue of vulva	Procedure site	False	Vulval structure	Inferred relationship	Existential restriction modifier (core metadata concept)	2
Hematoma of vulva	Finding site	False	Vulval structure	Inferred relationship	Existential restriction modifier (core metadata concept)	2
Reconstruction of vulva with graft of skin (procedure)	Procedure site	False	Vulval structure	Inferred relationship	Existential restriction modifier (core metadata concept)	3
Postpartum vulval haematoma	Finding site	False	Vulval structure	Inferred relationship	Existential restriction modifier (core metadata concept)	2
Hematoma of vulva of fetus or newborn as birth trauma (disorder)	Finding site	False	Vulval structure	Inferred relationship	Existential restriction modifier (core metadata concept)	3
Bassett operation for vulvectomy with inguinal lymph node dissection	Procedure site	False	Vulval structure	Inferred relationship	Existential restriction modifier (core metadata concept)	2
Episioplasty	Procedure site	False	Vulval structure	Inferred relationship	Existential restriction modifier (core metadata concept)	1
Resuture of episiotomy dehiscence	Procedure site	False	Vulval structure	Inferred relationship	Existential restriction modifier (core metadata concept)	1
Vulva implantation	Procedure site	False	Vulval structure	Inferred relationship	Existential restriction modifier (core metadata concept)	2
Topical vulval chemotherapy	Procedure site	False	Vulval structure	Inferred relationship	Existential restriction modifier (core metadata concept)	1
greffe de tissu vulvaire	Procedure site	False	Vulval structure	Inferred relationship	Existential restriction modifier (core metadata concept)	1
Congenital cyst of vulva	Finding site	False	Vulval structure	Inferred relationship	Existential restriction modifier (core metadata concept)	1
Vulval hematoma due to birth trauma (disorder)	Finding site	False	Vulval structure	Inferred relationship	Existential restriction modifier (core metadata concept)	1
Blister of vulva with infection (disorder)	Finding site	False	Vulval structure	Inferred relationship	Existential restriction modifier (core metadata concept)	2
Resuture of episiotomy	Procedure site	False	Vulval structure	Inferred relationship	Existential restriction modifier (core metadata concept)	5
Vulval haematoma in labour	Finding site	False	Vulval structure	Inferred relationship	Existential restriction modifier (core metadata concept)	2
Destruction of vulval lesion	Procedure site - Indirect (attribute)	False	Vulval structure	Inferred relationship	Existential restriction modifier (core metadata concept)	1
Laser destruction of lesion of vulva (procedure)	Procedure site - Indirect (attribute)	False	Vulval structure	Inferred relationship	Existential restriction modifier (core metadata concept)	1
Cryotherapy of lesion of vulva	Procedure site - Indirect (attribute)	False	Vulval structure	Inferred relationship	Existential restriction modifier (core metadata concept)	2
Painting of vulval warts	Procedure site	False	Vulval structure	Inferred relationship	Existential restriction modifier (core metadata concept)	2
Laser destruction of vulval wart	Procedure site - Indirect (attribute)	False	Vulval structure	Inferred relationship	Existential restriction modifier (core metadata concept)	1
Cryotherapy of vulval wart	Procedure site - Indirect (attribute)	False	Vulval structure	Inferred relationship	Existential restriction modifier (core metadata concept)	2
Cauterisation of vulval wart	Procedure site - Indirect (attribute)	False	Vulval structure	Inferred relationship	Existential restriction modifier (core metadata concept)	2
Diathermy of lesion of vulva	Procedure site - Indirect (attribute)	False	Vulval structure	Inferred relationship	Existential restriction modifier (core metadata concept)	1
Drainage of vulval abscess	Procedure site	False	Vulval structure	Inferred relationship	Existential restriction modifier (core metadata concept)	1
Repair of obstetric laceration of vulva	Procedure site	False	Vulval structure	Inferred relationship	Existential restriction modifier (core metadata concept)	1
Marsupialization of lesion of vulva	Procedure site - Indirect (attribute)	False	Vulval structure	Inferred relationship	Existential restriction modifier (core metadata concept)	1
Marsupialization of lesion of vulva	Procedure site - Indirect (attribute)	False	Vulval structure	Inferred relationship	Existential restriction modifier (core metadata concept)	1
Cauterisation of lesion of vulva	Procedure site - Indirect (attribute)	False	Vulval structure	Inferred relationship	Existential restriction modifier (core metadata concept)	2
Removal of foreign body from vulva by incision	Procedure site - Indirect (attribute)	False	Vulval structure	Inferred relationship	Existential restriction modifier (core metadata concept)	1
Extensive destruction of lesion of vulva	Procedure site - Indirect (attribute)	False	Vulval structure	Inferred relationship	Existential restriction modifier (core metadata concept)	1
Removal of foreign body from vulva	Procedure site - Indirect (attribute)	False	Vulval structure	Inferred relationship	Existential restriction modifier (core metadata concept)	1
Chronic hypertrophic vulvitis	Finding site	False	Vulval structure	Inferred relationship	Existential restriction modifier (core metadata concept)	1
Chronic hypertrophic vulvitis	Finding site	False	Vulval structure	Inferred relationship	Existential restriction modifier (core metadata concept)	2
Hypertrophy of vulva	Finding site	False	Vulval structure	Inferred relationship	Existential restriction modifier (core metadata concept)	1
Repair of vulvorectal fistula	Procedure site - Indirect (attribute)	False	Vulval structure	Inferred relationship	Existential restriction modifier (core metadata concept)	2
Simple destruction of lesion of vulva	Procedure site - Indirect (attribute)	False	Vulval structure	Inferred relationship	Existential restriction modifier (core metadata concept)	1
Repair of fistula of vulva	Procedure site - Indirect (attribute)	False	Vulval structure	Inferred relationship	Existential restriction modifier (core metadata concept)	1
Removal of packing of vulva	Procedure site - Indirect (attribute)	False	Vulval structure	Inferred relationship	Existential restriction modifier (core metadata concept)	1
Other specified extirpation of lesion of vulva	Procedure site - Indirect (attribute)	False	Vulval structure	Inferred relationship	Existential restriction modifier (core metadata concept)	1
Extirpation of lesion of vulva NOS	Procedure site - Indirect (attribute)	False	Vulval structure	Inferred relationship	Existential restriction modifier (core metadata concept)	1
Vulva hypertrophy NOS	Finding site	False	Vulval structure	Inferred relationship	Existential restriction modifier (core metadata concept)	1
Primary herpetic vulvovaginitis	Finding site	True	Vulval structure	Inferred relationship	Existential restriction modifier (core metadata concept)	1
Recurrent herpetic vulvovaginitis (disorder)	Finding site	False	Vulval structure	Inferred relationship	Existential restriction modifier (core metadata concept)	1
Reconstruction of vulva with graft of skin (procedure)	Procedure site	False	Vulval structure	Inferred relationship	Existential restriction modifier (core metadata concept)	1
Reconstruction of vulva with graft of skin (procedure)	Procedure site	False	Vulval structure	Inferred relationship	Existential restriction modifier (core metadata concept)	2
Cauterisation of vulval wart	Procedure site	False	Vulval structure	Inferred relationship	Existential restriction modifier (core metadata concept)	1
Cauterisation of vulval wart	Procedure site	False	Vulval structure	Inferred relationship	Existential restriction modifier (core metadata concept)	2
Vulval hematoma due to birth trauma (disorder)	Finding site	False	Vulval structure	Inferred relationship	Existential restriction modifier (core metadata concept)	1
Vulval hematoma due to birth trauma (disorder)	Finding site	False	Vulval structure	Inferred relationship	Existential restriction modifier (core metadata concept)	2
Vulval haematoma in labour	Finding site	False	Vulval structure	Inferred relationship	Existential restriction modifier (core metadata concept)	2

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Reference Sets

Anatomy structure and entire association reference set (foundation metadata concept)

Anatomy structure and part association reference set (foundation metadata concept)

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Id	Description	Lang	Type	Status	Case?	Module
75505012	Vulva	en	Synonym (core metadata concept)	Active	Entire term case insensitive (core metadata concept)	SNOMED CT core
75507016	Pudendum femininum	en	Synonym (core metadata concept)	Active	Entire term case insensitive (core metadata concept)	SNOMED CT core
494158010	Vulval structure	en	Synonym (core metadata concept)	Active	Entire term case insensitive (core metadata concept)	SNOMED CT core
782515011	Vulval structure (body structure)	en	Fully specified name	Active	Entire term case insensitive (core metadata concept)	SNOMED CT core
3774487012	External female genital structure	en	Synonym (core metadata concept)	Active	Entire term case insensitive (core metadata concept)	SNOMED CT core
75505012	Vulva	en	Synonym (core metadata concept)	Active	Only initial character case insensitive (core metadata concept)	SNOMED CT core
75505012	Vulva	en	Synonym (core metadata concept)	Active	Entire term case insensitive (core metadata concept)	SNOMED CT core
75507016	Pudendum femininum	en	Synonym (core metadata concept)	Active	Only initial character case insensitive (core metadata concept)	SNOMED CT core
75507016	Pudendum femininum	en	Synonym (core metadata concept)	Active	Entire term case insensitive (core metadata concept)	SNOMED CT core
494158010	Vulval structure	en	Synonym (core metadata concept)	Active	Only initial character case insensitive (core metadata concept)	SNOMED CT core
494158010	Vulval structure	en	Synonym (core metadata concept)	Active	Entire term case insensitive (core metadata concept)	SNOMED CT core
782515011	Vulval structure (body structure)	en	Fully specified name	Active	Only initial character case insensitive (core metadata concept)	SNOMED CT core
782515011	Vulval structure (body structure)	en	Fully specified name	Active	Entire term case insensitive (core metadata concept)	SNOMED CT core
3774487012	External female genital structure	en	Synonym (core metadata concept)	Active	Entire term case insensitive (core metadata concept)	SNOMED CT core
919571000172112	structure de la vulve	fr	Synonym (core metadata concept)	Active	Entire term case insensitive (core metadata concept)	SNOMED CT Switzerland NRC maintained Module
949241000172111	vulve	fr	Synonym (core metadata concept)	Active	Entire term case insensitive (core metadata concept)	SNOMED CT Switzerland NRC maintained Module
1001571000241114	organes génitaux externes féminins	fr	Synonym (core metadata concept)	Active	Entire term case insensitive (core metadata concept)	SNOMED CT Switzerland NRC maintained Module
1010041000172114	structure vulvaire	fr	Synonym (core metadata concept)	Active	Entire term case insensitive (core metadata concept)	SNOMED CT Switzerland NRC maintained Module
919571000172112	structure de la vulve	fr	Synonym (core metadata concept)	Active	Entire term case insensitive (core metadata concept)	SNOMED CT Switzerland NRC maintained Module
949241000172111	vulve	fr	Synonym (core metadata concept)	Active	Entire term case insensitive (core metadata concept)	SNOMED CT Switzerland NRC maintained Module
1001571000241114	organes génitaux externes féminins	fr	Synonym (core metadata concept)	Active	Entire term case insensitive (core metadata concept)	SNOMED CT Switzerland NRC maintained Module
1010041000172114	structure vulvaire	fr	Synonym (core metadata concept)	Active	Entire term case insensitive (core metadata concept)	SNOMED CT Switzerland NRC maintained Module