16291461000119102: ingegroeide teennagel van beide voeten (aandoening)

SNOMED CT Concept\Clinical finding (finding)\...

\Skin AND/OR mucosa finding (finding)\Skin finding\...

\Nail finding\Disorder of nail (disorder)\Ingrowing nail (disorder)\Ingrowing toenail (disorder)\...

\Ingrowing nail of toe of left foot (disorder)\Ingrowing nail of toe of bilateral feet (disorder)

\Ingrowing nail of toe of right foot (disorder)\Ingrowing nail of toe of bilateral feet (disorder)

\Disorder of skin (disorder)\Disorder of skin of lower limb (disorder)\Ingrowing toenail (disorder)\Ingrowing nail of toe of left foot (disorder)\Ingrowing nail of toe of bilateral feet (disorder)
\Disorder of skin (disorder)\Disorder of skin of lower limb (disorder)\Ingrowing toenail (disorder)\Ingrowing nail of toe of right foot (disorder)\Ingrowing nail of toe of bilateral feet (disorder)
\Disorder of skin (disorder)\Disorder of skin appendage\Disorder of nail (disorder)\Ingrowing nail (disorder)\Ingrowing toenail (disorder)\Ingrowing nail of toe of left foot (disorder)\Ingrowing nail of toe of bilateral feet (disorder)
\Disorder of skin (disorder)\Disorder of skin appendage\Disorder of nail (disorder)\Ingrowing nail (disorder)\Ingrowing toenail (disorder)\Ingrowing nail of toe of right foot (disorder)\Ingrowing nail of toe of bilateral feet (disorder)

\Finding of limb structure\Nail finding\Disorder of nail (disorder)\Ingrowing nail (disorder)\Ingrowing toenail (disorder)\Ingrowing nail of toe of left foot (disorder)\Ingrowing nail of toe of bilateral feet (disorder)
\Finding of limb structure\Nail finding\Disorder of nail (disorder)\Ingrowing nail (disorder)\Ingrowing toenail (disorder)\Ingrowing nail of toe of right foot (disorder)\Ingrowing nail of toe of bilateral feet (disorder)
\Finding of limb structure\Disorder of limb (disorder)\Disorder of soft tissue of limb\Disorder of soft tissue of lower limb\Disorder of skin of lower limb (disorder)\Ingrowing toenail (disorder)\Ingrowing nail of toe of left foot (disorder)\Ingrowing nail of toe of bilateral feet (disorder)
\Finding of limb structure\Disorder of limb (disorder)\Disorder of soft tissue of limb\Disorder of soft tissue of lower limb\Disorder of skin of lower limb (disorder)\Ingrowing toenail (disorder)\Ingrowing nail of toe of right foot (disorder)\Ingrowing nail of toe of bilateral feet (disorder)
\Finding of limb structure\Disorder of limb (disorder)\Disorder of digit\Disorder of toe\Ingrowing toenail (disorder)\Ingrowing nail of toe of left foot (disorder)\Ingrowing nail of toe of bilateral feet (disorder)
\Finding of limb structure\Disorder of limb (disorder)\Disorder of digit\Disorder of toe\Ingrowing toenail (disorder)\Ingrowing nail of toe of right foot (disorder)\Ingrowing nail of toe of bilateral feet (disorder)
\Finding of limb structure\Disorder of limb (disorder)\Disorder of digit\Disorder of nail (disorder)\Ingrowing nail (disorder)\Ingrowing toenail (disorder)\Ingrowing nail of toe of left foot (disorder)\Ingrowing nail of toe of bilateral feet (disorder)
\Finding of limb structure\Disorder of limb (disorder)\Disorder of digit\Disorder of nail (disorder)\Ingrowing nail (disorder)\Ingrowing toenail (disorder)\Ingrowing nail of toe of right foot (disorder)\Ingrowing nail of toe of bilateral feet (disorder)
\Finding of limb structure\Disorder of limb (disorder)\Disorder of lower limb\Disorder of left lower extremity (disorder)\Ingrowing nail of toe of left foot (disorder)\Ingrowing nail of toe of bilateral feet (disorder)
\Finding of limb structure\Disorder of limb (disorder)\Disorder of lower limb\Disorder of right lower extremity (disorder)\Ingrowing nail of toe of right foot (disorder)\Ingrowing nail of toe of bilateral feet (disorder)
\Finding of limb structure\Disorder of limb (disorder)\Disorder of lower limb\Disorder of free lower limb (disorder)\Disorder of foot (disorder)\Disorder of toe\Ingrowing toenail (disorder)\Ingrowing nail of toe of left foot (disorder)\Ingrowing nail of toe of bilateral feet (disorder)
\Finding of limb structure\Disorder of limb (disorder)\Disorder of lower limb\Disorder of free lower limb (disorder)\Disorder of foot (disorder)\Disorder of toe\Ingrowing toenail (disorder)\Ingrowing nail of toe of right foot (disorder)\Ingrowing nail of toe of bilateral feet (disorder)
\Finding of limb structure\Disorder of limb (disorder)\Disorder of lower limb\Disorder of soft tissue of lower limb\Disorder of skin of lower limb (disorder)\Ingrowing toenail (disorder)\Ingrowing nail of toe of left foot (disorder)\Ingrowing nail of toe of bilateral feet (disorder)
\Finding of limb structure\Disorder of limb (disorder)\Disorder of lower limb\Disorder of soft tissue of lower limb\Disorder of skin of lower limb (disorder)\Ingrowing toenail (disorder)\Ingrowing nail of toe of right foot (disorder)\Ingrowing nail of toe of bilateral feet (disorder)
\Finding of limb structure\Finding of lower limb\Finding of ankle or foot (finding)\Finding of foot region\Toe finding (finding)\Disorder of toe\Ingrowing toenail (disorder)\Ingrowing nail of toe of left foot (disorder)\Ingrowing nail of toe of bilateral feet (disorder)
\Finding of limb structure\Finding of lower limb\Finding of ankle or foot (finding)\Finding of foot region\Toe finding (finding)\Disorder of toe\Ingrowing toenail (disorder)\Ingrowing nail of toe of right foot (disorder)\Ingrowing nail of toe of bilateral feet (disorder)
\Finding of limb structure\Finding of lower limb\Finding of ankle or foot (finding)\Finding of foot region\Disorder of foot (disorder)\Disorder of toe\Ingrowing toenail (disorder)\Ingrowing nail of toe of left foot (disorder)\Ingrowing nail of toe of bilateral feet (disorder)
\Finding of limb structure\Finding of lower limb\Finding of ankle or foot (finding)\Finding of foot region\Disorder of foot (disorder)\Disorder of toe\Ingrowing toenail (disorder)\Ingrowing nail of toe of right foot (disorder)\Ingrowing nail of toe of bilateral feet (disorder)
\Finding of limb structure\Finding of lower limb\Disorder of lower limb\Disorder of left lower extremity (disorder)\Ingrowing nail of toe of left foot (disorder)\Ingrowing nail of toe of bilateral feet (disorder)
\Finding of limb structure\Finding of lower limb\Disorder of lower limb\Disorder of right lower extremity (disorder)\Ingrowing nail of toe of right foot (disorder)\Ingrowing nail of toe of bilateral feet (disorder)
\Finding of limb structure\Finding of lower limb\Disorder of lower limb\Disorder of free lower limb (disorder)\Disorder of foot (disorder)\Disorder of toe\Ingrowing toenail (disorder)\Ingrowing nail of toe of left foot (disorder)\Ingrowing nail of toe of bilateral feet (disorder)
\Finding of limb structure\Finding of lower limb\Disorder of lower limb\Disorder of free lower limb (disorder)\Disorder of foot (disorder)\Disorder of toe\Ingrowing toenail (disorder)\Ingrowing nail of toe of right foot (disorder)\Ingrowing nail of toe of bilateral feet (disorder)
\Finding of limb structure\Finding of lower limb\Disorder of lower limb\Disorder of soft tissue of lower limb\Disorder of skin of lower limb (disorder)\Ingrowing toenail (disorder)\Ingrowing nail of toe of left foot (disorder)\Ingrowing nail of toe of bilateral feet (disorder)
\Finding of limb structure\Finding of lower limb\Disorder of lower limb\Disorder of soft tissue of lower limb\Disorder of skin of lower limb (disorder)\Ingrowing toenail (disorder)\Ingrowing nail of toe of right foot (disorder)\Ingrowing nail of toe of bilateral feet (disorder)

\General finding of soft tissue\Skin finding\Nail finding\Disorder of nail (disorder)\Ingrowing nail (disorder)\Ingrowing toenail (disorder)\Ingrowing nail of toe of left foot (disorder)\Ingrowing nail of toe of bilateral feet (disorder)
\General finding of soft tissue\Skin finding\Nail finding\Disorder of nail (disorder)\Ingrowing nail (disorder)\Ingrowing toenail (disorder)\Ingrowing nail of toe of right foot (disorder)\Ingrowing nail of toe of bilateral feet (disorder)
\General finding of soft tissue\Skin finding\Disorder of skin (disorder)\Disorder of skin of lower limb (disorder)\Ingrowing toenail (disorder)\Ingrowing nail of toe of left foot (disorder)\Ingrowing nail of toe of bilateral feet (disorder)
\General finding of soft tissue\Skin finding\Disorder of skin (disorder)\Disorder of skin of lower limb (disorder)\Ingrowing toenail (disorder)\Ingrowing nail of toe of right foot (disorder)\Ingrowing nail of toe of bilateral feet (disorder)
\General finding of soft tissue\Skin finding\Disorder of skin (disorder)\Disorder of skin appendage\Disorder of nail (disorder)\Ingrowing nail (disorder)\Ingrowing toenail (disorder)\Ingrowing nail of toe of left foot (disorder)\Ingrowing nail of toe of bilateral feet (disorder)
\General finding of soft tissue\Skin finding\Disorder of skin (disorder)\Disorder of skin appendage\Disorder of nail (disorder)\Ingrowing nail (disorder)\Ingrowing toenail (disorder)\Ingrowing nail of toe of right foot (disorder)\Ingrowing nail of toe of bilateral feet (disorder)
\General finding of soft tissue\Disorder of soft tissue\Disorder of soft tissue of limb\Disorder of soft tissue of lower limb\Disorder of skin of lower limb (disorder)\Ingrowing toenail (disorder)\Ingrowing nail of toe of left foot (disorder)\Ingrowing nail of toe of bilateral feet (disorder)
\General finding of soft tissue\Disorder of soft tissue\Disorder of soft tissue of limb\Disorder of soft tissue of lower limb\Disorder of skin of lower limb (disorder)\Ingrowing toenail (disorder)\Ingrowing nail of toe of right foot (disorder)\Ingrowing nail of toe of bilateral feet (disorder)
\General finding of soft tissue\Disorder of soft tissue\Disorder of skin and/or subcutaneous tissue (disorder)\Disorder of skin (disorder)\Disorder of skin of lower limb (disorder)\Ingrowing toenail (disorder)\Ingrowing nail of toe of left foot (disorder)\Ingrowing nail of toe of bilateral feet (disorder)
\General finding of soft tissue\Disorder of soft tissue\Disorder of skin and/or subcutaneous tissue (disorder)\Disorder of skin (disorder)\Disorder of skin of lower limb (disorder)\Ingrowing toenail (disorder)\Ingrowing nail of toe of right foot (disorder)\Ingrowing nail of toe of bilateral feet (disorder)
\General finding of soft tissue\Disorder of soft tissue\Disorder of skin and/or subcutaneous tissue (disorder)\Disorder of skin (disorder)\Disorder of skin appendage\Disorder of nail (disorder)\Ingrowing nail (disorder)\Ingrowing toenail (disorder)\Ingrowing nail of toe of left foot (disorder)\Ingrowing nail of toe of bilateral feet (disorder)
\General finding of soft tissue\Disorder of soft tissue\Disorder of skin and/or subcutaneous tissue (disorder)\Disorder of skin (disorder)\Disorder of skin appendage\Disorder of nail (disorder)\Ingrowing nail (disorder)\Ingrowing toenail (disorder)\Ingrowing nail of toe of right foot (disorder)\Ingrowing nail of toe of bilateral feet (disorder)

\Integumentary system finding\Disorder of integument\Disorder of skin and/or subcutaneous tissue (disorder)\Disorder of skin (disorder)\Disorder of skin of lower limb (disorder)\Ingrowing toenail (disorder)\Ingrowing nail of toe of left foot (disorder)\Ingrowing nail of toe of bilateral feet (disorder)
\Integumentary system finding\Disorder of integument\Disorder of skin and/or subcutaneous tissue (disorder)\Disorder of skin (disorder)\Disorder of skin of lower limb (disorder)\Ingrowing toenail (disorder)\Ingrowing nail of toe of right foot (disorder)\Ingrowing nail of toe of bilateral feet (disorder)
\Integumentary system finding\Disorder of integument\Disorder of skin and/or subcutaneous tissue (disorder)\Disorder of skin (disorder)\Disorder of skin appendage\Disorder of nail (disorder)\Ingrowing nail (disorder)\Ingrowing toenail (disorder)\Ingrowing nail of toe of left foot (disorder)\Ingrowing nail of toe of bilateral feet (disorder)
\Integumentary system finding\Disorder of integument\Disorder of skin and/or subcutaneous tissue (disorder)\Disorder of skin (disorder)\Disorder of skin appendage\Disorder of nail (disorder)\Ingrowing nail (disorder)\Ingrowing toenail (disorder)\Ingrowing nail of toe of right foot (disorder)\Ingrowing nail of toe of bilateral feet (disorder)
\Integumentary system finding\Skin finding\Nail finding\Disorder of nail (disorder)\Ingrowing nail (disorder)\Ingrowing toenail (disorder)\Ingrowing nail of toe of left foot (disorder)\Ingrowing nail of toe of bilateral feet (disorder)
\Integumentary system finding\Skin finding\Nail finding\Disorder of nail (disorder)\Ingrowing nail (disorder)\Ingrowing toenail (disorder)\Ingrowing nail of toe of right foot (disorder)\Ingrowing nail of toe of bilateral feet (disorder)
\Integumentary system finding\Skin finding\Disorder of skin (disorder)\Disorder of skin of lower limb (disorder)\Ingrowing toenail (disorder)\Ingrowing nail of toe of left foot (disorder)\Ingrowing nail of toe of bilateral feet (disorder)
\Integumentary system finding\Skin finding\Disorder of skin (disorder)\Disorder of skin of lower limb (disorder)\Ingrowing toenail (disorder)\Ingrowing nail of toe of right foot (disorder)\Ingrowing nail of toe of bilateral feet (disorder)
\Integumentary system finding\Skin finding\Disorder of skin (disorder)\Disorder of skin appendage\Disorder of nail (disorder)\Ingrowing nail (disorder)\Ingrowing toenail (disorder)\Ingrowing nail of toe of left foot (disorder)\Ingrowing nail of toe of bilateral feet (disorder)
\Integumentary system finding\Skin finding\Disorder of skin (disorder)\Disorder of skin appendage\Disorder of nail (disorder)\Ingrowing nail (disorder)\Ingrowing toenail (disorder)\Ingrowing nail of toe of right foot (disorder)\Ingrowing nail of toe of bilateral feet (disorder)

\Disease\Disorder of body system\Disorder of integument\Disorder of skin and/or subcutaneous tissue (disorder)\Disorder of skin (disorder)\Disorder of skin of lower limb (disorder)\Ingrowing toenail (disorder)\Ingrowing nail of toe of left foot (disorder)\Ingrowing nail of toe of bilateral feet (disorder)
\Disease\Disorder of body system\Disorder of integument\Disorder of skin and/or subcutaneous tissue (disorder)\Disorder of skin (disorder)\Disorder of skin of lower limb (disorder)\Ingrowing toenail (disorder)\Ingrowing nail of toe of right foot (disorder)\Ingrowing nail of toe of bilateral feet (disorder)
\Disease\Disorder of body system\Disorder of integument\Disorder of skin and/or subcutaneous tissue (disorder)\Disorder of skin (disorder)\Disorder of skin appendage\Disorder of nail (disorder)\Ingrowing nail (disorder)\Ingrowing toenail (disorder)\Ingrowing nail of toe of left foot (disorder)\Ingrowing nail of toe of bilateral feet (disorder)
\Disease\Disorder of body system\Disorder of integument\Disorder of skin and/or subcutaneous tissue (disorder)\Disorder of skin (disorder)\Disorder of skin appendage\Disorder of nail (disorder)\Ingrowing nail (disorder)\Ingrowing toenail (disorder)\Ingrowing nail of toe of right foot (disorder)\Ingrowing nail of toe of bilateral feet (disorder)
\Disease\Disorder of limb (disorder)\Disorder of soft tissue of limb\Disorder of soft tissue of lower limb\Disorder of skin of lower limb (disorder)\Ingrowing toenail (disorder)\Ingrowing nail of toe of left foot (disorder)\Ingrowing nail of toe of bilateral feet (disorder)
\Disease\Disorder of limb (disorder)\Disorder of soft tissue of limb\Disorder of soft tissue of lower limb\Disorder of skin of lower limb (disorder)\Ingrowing toenail (disorder)\Ingrowing nail of toe of right foot (disorder)\Ingrowing nail of toe of bilateral feet (disorder)
\Disease\Disorder of limb (disorder)\Disorder of digit\Disorder of toe\Ingrowing toenail (disorder)\Ingrowing nail of toe of left foot (disorder)\Ingrowing nail of toe of bilateral feet (disorder)
\Disease\Disorder of limb (disorder)\Disorder of digit\Disorder of toe\Ingrowing toenail (disorder)\Ingrowing nail of toe of right foot (disorder)\Ingrowing nail of toe of bilateral feet (disorder)
\Disease\Disorder of limb (disorder)\Disorder of digit\Disorder of nail (disorder)\Ingrowing nail (disorder)\Ingrowing toenail (disorder)\Ingrowing nail of toe of left foot (disorder)\Ingrowing nail of toe of bilateral feet (disorder)
\Disease\Disorder of limb (disorder)\Disorder of digit\Disorder of nail (disorder)\Ingrowing nail (disorder)\Ingrowing toenail (disorder)\Ingrowing nail of toe of right foot (disorder)\Ingrowing nail of toe of bilateral feet (disorder)
\Disease\Disorder of limb (disorder)\Disorder of lower limb\Disorder of left lower extremity (disorder)\Ingrowing nail of toe of left foot (disorder)\Ingrowing nail of toe of bilateral feet (disorder)
\Disease\Disorder of limb (disorder)\Disorder of lower limb\Disorder of right lower extremity (disorder)\Ingrowing nail of toe of right foot (disorder)\Ingrowing nail of toe of bilateral feet (disorder)
\Disease\Disorder of limb (disorder)\Disorder of lower limb\Disorder of free lower limb (disorder)\Disorder of foot (disorder)\Disorder of toe\Ingrowing toenail (disorder)\Ingrowing nail of toe of left foot (disorder)\Ingrowing nail of toe of bilateral feet (disorder)
\Disease\Disorder of limb (disorder)\Disorder of lower limb\Disorder of free lower limb (disorder)\Disorder of foot (disorder)\Disorder of toe\Ingrowing toenail (disorder)\Ingrowing nail of toe of right foot (disorder)\Ingrowing nail of toe of bilateral feet (disorder)
\Disease\Disorder of limb (disorder)\Disorder of lower limb\Disorder of soft tissue of lower limb\Disorder of skin of lower limb (disorder)\Ingrowing toenail (disorder)\Ingrowing nail of toe of left foot (disorder)\Ingrowing nail of toe of bilateral feet (disorder)
\Disease\Disorder of limb (disorder)\Disorder of lower limb\Disorder of soft tissue of lower limb\Disorder of skin of lower limb (disorder)\Ingrowing toenail (disorder)\Ingrowing nail of toe of right foot (disorder)\Ingrowing nail of toe of bilateral feet (disorder)
\Disease\Disorder of soft tissue\Disorder of soft tissue of limb\Disorder of soft tissue of lower limb\Disorder of skin of lower limb (disorder)\Ingrowing toenail (disorder)\Ingrowing nail of toe of left foot (disorder)\Ingrowing nail of toe of bilateral feet (disorder)
\Disease\Disorder of soft tissue\Disorder of soft tissue of limb\Disorder of soft tissue of lower limb\Disorder of skin of lower limb (disorder)\Ingrowing toenail (disorder)\Ingrowing nail of toe of right foot (disorder)\Ingrowing nail of toe of bilateral feet (disorder)
\Disease\Disorder of soft tissue\Disorder of skin and/or subcutaneous tissue (disorder)\Disorder of skin (disorder)\Disorder of skin of lower limb (disorder)\Ingrowing toenail (disorder)\Ingrowing nail of toe of left foot (disorder)\Ingrowing nail of toe of bilateral feet (disorder)
\Disease\Disorder of soft tissue\Disorder of skin and/or subcutaneous tissue (disorder)\Disorder of skin (disorder)\Disorder of skin of lower limb (disorder)\Ingrowing toenail (disorder)\Ingrowing nail of toe of right foot (disorder)\Ingrowing nail of toe of bilateral feet (disorder)
\Disease\Disorder of soft tissue\Disorder of skin and/or subcutaneous tissue (disorder)\Disorder of skin (disorder)\Disorder of skin appendage\Disorder of nail (disorder)\Ingrowing nail (disorder)\Ingrowing toenail (disorder)\Ingrowing nail of toe of left foot (disorder)\Ingrowing nail of toe of bilateral feet (disorder)
\Disease\Disorder of soft tissue\Disorder of skin and/or subcutaneous tissue (disorder)\Disorder of skin (disorder)\Disorder of skin appendage\Disorder of nail (disorder)\Ingrowing nail (disorder)\Ingrowing toenail (disorder)\Ingrowing nail of toe of right foot (disorder)\Ingrowing nail of toe of bilateral feet (disorder)

Status: current, Sufficiently defined by necessary conditions definition status (core metadata concept). Date: 31-Jan 2019. Module: SNOMED CT core

Descriptions:

Id Description Lang Type Status Case? Module

3727655012 Ingrown toenail of bilateral feet en Synonym (core metadata concept) Active Entire term case insensitive (core metadata concept) SNOMED CT core

3727656013 Ingrowing nail of toe of bilateral feet en Synonym (core metadata concept) Active Entire term case insensitive (core metadata concept) SNOMED CT core

3727657016 Ingrowing nail of toe of both feet en Synonym (core metadata concept) Active Entire term case insensitive (core metadata concept) SNOMED CT core

3727658014 Ingrowing nail of toe of bilateral feet (disorder) en Fully specified name Active Entire term case insensitive (core metadata concept) SNOMED CT core

3727659018 Bilateral ingrowing nail of toe of feet en Synonym (core metadata concept) Active Entire term case insensitive (core metadata concept) SNOMED CT core

9363121000146111 unguis incarnatus van digitus van beide voeten nl Synonym (core metadata concept) Active Entire term case insensitive (core metadata concept) SNOMED CT Netherlands NRC maintained module (core metadata concept)

9804001000146118 ingegroeide teennagel van beide voeten nl Synonym (core metadata concept) Active Entire term case insensitive (core metadata concept) SNOMED CT Netherlands NRC maintained module (core metadata concept)

11690671000146111 ingegroeide nagel van digitus van beide voeten nl Synonym (core metadata concept) Active Entire term case insensitive (core metadata concept) SNOMED CT Netherlands NRC maintained module (core metadata concept)

11690681000146113 ingegroeide teennagel van beide voeten (aandoening) nl Fully specified name Active Entire term case insensitive (core metadata concept) SNOMED CT Netherlands NRC maintained module (core metadata concept)

11690691000146110 ingegroeide teennagel van linker en rechter voet nl Synonym (core metadata concept) Active Entire term case insensitive (core metadata concept) SNOMED CT Netherlands NRC maintained module (core metadata concept)

11696441000146119 ingegroeide nagel van teen van beide voeten nl Synonym (core metadata concept) Active Entire term case insensitive (core metadata concept) SNOMED CT Netherlands NRC maintained module (core metadata concept)

Expanded Value Set

Outbound Relationships	Type	Target	Active	Characteristic	Refinability	Group	Values
Ingrowing nail of toe of bilateral feet (disorder)	Is a	Ingrowing nail of toe of right foot (disorder)	true	Inferred relationship	Some
Ingrowing nail of toe of bilateral feet (disorder)	Is a	Ingrowing nail of toe of left foot (disorder)	true	Inferred relationship	Some
Ingrowing nail of toe of bilateral feet (disorder)	Finding site	Structure of nail unit of toe of right foot (body structure)	true	Inferred relationship	Some	2
Ingrowing nail of toe of bilateral feet (disorder)	Finding site	Structure of nail unit of toe of left foot	true	Inferred relationship	Some	1
Ingrowing nail of toe of bilateral feet (disorder)	Finding site	Skin appendage structure	false	Inferred relationship	Some

Inbound Relationships

Type

Active

Source

Characteristic

Refinability

Group

This concept is not in any reference sets