331811000119104: Traction detachment of right retina (disorder)

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

\Effect of exposure to physical force\Traction detachment of retina\Traction detachment of right retina (disorder)

\Head finding (finding)\Finding of head region\Disorder of eye region (disorder)\Disorder of right eye region\Disorder of right eye proper\Disorder of retina of right eye (disorder)\Lesion of retina of right eye\Detachment of retina of right eye (disorder)\Traction detachment of right retina (disorder)
\Head finding (finding)\Finding of head region\Disorder of eye region (disorder)\Disorder of eye proper (disorder)\Anomaly of eye (disorder)\Lesion of eye (disorder)\Lesion of retina\Lesion of retina of right eye\Detachment of retina of right eye (disorder)\Traction detachment of right retina (disorder)
\Head finding (finding)\Finding of head region\Disorder of eye region (disorder)\Disorder of eye proper (disorder)\Anomaly of eye (disorder)\Lesion of eye (disorder)\Lesion of retina\Retinal detachment\Detachment of retina of right eye (disorder)\Traction detachment of right retina (disorder)
\Head finding (finding)\Finding of head region\Disorder of eye region (disorder)\Disorder of eye proper (disorder)\Anomaly of eye (disorder)\Lesion of eye (disorder)\Lesion of retina\Retinal detachment\Traction detachment of retina\Traction detachment of right retina (disorder)
\Head finding (finding)\Finding of head region\Disorder of eye region (disorder)\Disorder of eye proper (disorder)\Disorder of right eye proper\Disorder of retina of right eye (disorder)\Lesion of retina of right eye\Detachment of retina of right eye (disorder)\Traction detachment of right retina (disorder)
\Head finding (finding)\Finding of head region\Disorder of eye region (disorder)\Disorder of eye proper (disorder)\Disorder of posterior segment of eye\Disorder of vitreous body and/or retina (disorder)\Retinal disorder\Disorder of retina of right eye (disorder)\Lesion of retina of right eye\Detachment of retina of right eye (disorder)\Traction detachment of right retina (disorder)
\Head finding (finding)\Finding of head region\Disorder of eye region (disorder)\Disorder of eye proper (disorder)\Disorder of posterior segment of eye\Disorder of vitreous body and/or retina (disorder)\Retinal disorder\Lesion of retina\Lesion of retina of right eye\Detachment of retina of right eye (disorder)\Traction detachment of right retina (disorder)
\Head finding (finding)\Finding of head region\Disorder of eye region (disorder)\Disorder of eye proper (disorder)\Disorder of posterior segment of eye\Disorder of vitreous body and/or retina (disorder)\Retinal disorder\Lesion of retina\Retinal detachment\Detachment of retina of right eye (disorder)\Traction detachment of right retina (disorder)
\Head finding (finding)\Finding of head region\Disorder of eye region (disorder)\Disorder of eye proper (disorder)\Disorder of posterior segment of eye\Disorder of vitreous body and/or retina (disorder)\Retinal disorder\Lesion of retina\Retinal detachment\Traction detachment of retina\Traction detachment of right retina (disorder)
\Head finding (finding)\Finding of head region\Globe finding\Retina finding (finding)\Retinal disorder\Disorder of retina of right eye (disorder)\Lesion of retina of right eye\Detachment of retina of right eye (disorder)\Traction detachment of right retina (disorder)
\Head finding (finding)\Finding of head region\Globe finding\Retina finding (finding)\Retinal disorder\Lesion of retina\Lesion of retina of right eye\Detachment of retina of right eye (disorder)\Traction detachment of right retina (disorder)
\Head finding (finding)\Finding of head region\Globe finding\Retina finding (finding)\Retinal disorder\Lesion of retina\Retinal detachment\Detachment of retina of right eye (disorder)\Traction detachment of right retina (disorder)
\Head finding (finding)\Finding of head region\Globe finding\Retina finding (finding)\Retinal disorder\Lesion of retina\Retinal detachment\Traction detachment of retina\Traction detachment of right retina (disorder)
\Head finding (finding)\Finding of head region\Globe finding\Disorder of eye proper (disorder)\Anomaly of eye (disorder)\Lesion of eye (disorder)\Lesion of retina\Lesion of retina of right eye\Detachment of retina of right eye (disorder)\Traction detachment of right retina (disorder)
\Head finding (finding)\Finding of head region\Globe finding\Disorder of eye proper (disorder)\Anomaly of eye (disorder)\Lesion of eye (disorder)\Lesion of retina\Retinal detachment\Detachment of retina of right eye (disorder)\Traction detachment of right retina (disorder)
\Head finding (finding)\Finding of head region\Globe finding\Disorder of eye proper (disorder)\Anomaly of eye (disorder)\Lesion of eye (disorder)\Lesion of retina\Retinal detachment\Traction detachment of retina\Traction detachment of right retina (disorder)
\Head finding (finding)\Finding of head region\Globe finding\Disorder of eye proper (disorder)\Disorder of right eye proper\Disorder of retina of right eye (disorder)\Lesion of retina of right eye\Detachment of retina of right eye (disorder)\Traction detachment of right retina (disorder)
\Head finding (finding)\Finding of head region\Globe finding\Disorder of eye proper (disorder)\Disorder of posterior segment of eye\Disorder of vitreous body and/or retina (disorder)\Retinal disorder\Disorder of retina of right eye (disorder)\Lesion of retina of right eye\Detachment of retina of right eye (disorder)\Traction detachment of right retina (disorder)
\Head finding (finding)\Finding of head region\Globe finding\Disorder of eye proper (disorder)\Disorder of posterior segment of eye\Disorder of vitreous body and/or retina (disorder)\Retinal disorder\Lesion of retina\Lesion of retina of right eye\Detachment of retina of right eye (disorder)\Traction detachment of right retina (disorder)
\Head finding (finding)\Finding of head region\Globe finding\Disorder of eye proper (disorder)\Disorder of posterior segment of eye\Disorder of vitreous body and/or retina (disorder)\Retinal disorder\Lesion of retina\Retinal detachment\Detachment of retina of right eye (disorder)\Traction detachment of right retina (disorder)
\Head finding (finding)\Finding of head region\Globe finding\Disorder of eye proper (disorder)\Disorder of posterior segment of eye\Disorder of vitreous body and/or retina (disorder)\Retinal disorder\Lesion of retina\Retinal detachment\Traction detachment of retina\Traction detachment of right retina (disorder)
\Head finding (finding)\Disorder of head (disorder)\Disorder of eye region (disorder)\Disorder of right eye region\Disorder of right eye proper\Disorder of retina of right eye (disorder)\Lesion of retina of right eye\Detachment of retina of right eye (disorder)\Traction detachment of right retina (disorder)
\Head finding (finding)\Disorder of head (disorder)\Disorder of eye region (disorder)\Disorder of eye proper (disorder)\Anomaly of eye (disorder)\Lesion of eye (disorder)\Lesion of retina\Lesion of retina of right eye\Detachment of retina of right eye (disorder)\Traction detachment of right retina (disorder)
\Head finding (finding)\Disorder of head (disorder)\Disorder of eye region (disorder)\Disorder of eye proper (disorder)\Anomaly of eye (disorder)\Lesion of eye (disorder)\Lesion of retina\Retinal detachment\Detachment of retina of right eye (disorder)\Traction detachment of right retina (disorder)
\Head finding (finding)\Disorder of head (disorder)\Disorder of eye region (disorder)\Disorder of eye proper (disorder)\Anomaly of eye (disorder)\Lesion of eye (disorder)\Lesion of retina\Retinal detachment\Traction detachment of retina\Traction detachment of right retina (disorder)
\Head finding (finding)\Disorder of head (disorder)\Disorder of eye region (disorder)\Disorder of eye proper (disorder)\Disorder of right eye proper\Disorder of retina of right eye (disorder)\Lesion of retina of right eye\Detachment of retina of right eye (disorder)\Traction detachment of right retina (disorder)
\Head finding (finding)\Disorder of head (disorder)\Disorder of eye region (disorder)\Disorder of eye proper (disorder)\Disorder of posterior segment of eye\Disorder of vitreous body and/or retina (disorder)\Retinal disorder\Disorder of retina of right eye (disorder)\Lesion of retina of right eye\Detachment of retina of right eye (disorder)\Traction detachment of right retina (disorder)
\Head finding (finding)\Disorder of head (disorder)\Disorder of eye region (disorder)\Disorder of eye proper (disorder)\Disorder of posterior segment of eye\Disorder of vitreous body and/or retina (disorder)\Retinal disorder\Lesion of retina\Lesion of retina of right eye\Detachment of retina of right eye (disorder)\Traction detachment of right retina (disorder)
\Head finding (finding)\Disorder of head (disorder)\Disorder of eye region (disorder)\Disorder of eye proper (disorder)\Disorder of posterior segment of eye\Disorder of vitreous body and/or retina (disorder)\Retinal disorder\Lesion of retina\Retinal detachment\Detachment of retina of right eye (disorder)\Traction detachment of right retina (disorder)
\Head finding (finding)\Disorder of head (disorder)\Disorder of eye region (disorder)\Disorder of eye proper (disorder)\Disorder of posterior segment of eye\Disorder of vitreous body and/or retina (disorder)\Retinal disorder\Lesion of retina\Retinal detachment\Traction detachment of retina\Traction detachment of right retina (disorder)

\Eye / vision finding\Globe finding\Retina finding (finding)\Retinal disorder\Disorder of retina of right eye (disorder)\Lesion of retina of right eye\Detachment of retina of right eye (disorder)\Traction detachment of right retina (disorder)
\Eye / vision finding\Globe finding\Retina finding (finding)\Retinal disorder\Lesion of retina\Lesion of retina of right eye\Detachment of retina of right eye (disorder)\Traction detachment of right retina (disorder)
\Eye / vision finding\Globe finding\Retina finding (finding)\Retinal disorder\Lesion of retina\Retinal detachment\Detachment of retina of right eye (disorder)\Traction detachment of right retina (disorder)
\Eye / vision finding\Globe finding\Retina finding (finding)\Retinal disorder\Lesion of retina\Retinal detachment\Traction detachment of retina\Traction detachment of right retina (disorder)
\Eye / vision finding\Globe finding\Disorder of eye proper (disorder)\Anomaly of eye (disorder)\Lesion of eye (disorder)\Lesion of retina\Lesion of retina of right eye\Detachment of retina of right eye (disorder)\Traction detachment of right retina (disorder)
\Eye / vision finding\Globe finding\Disorder of eye proper (disorder)\Anomaly of eye (disorder)\Lesion of eye (disorder)\Lesion of retina\Retinal detachment\Detachment of retina of right eye (disorder)\Traction detachment of right retina (disorder)
\Eye / vision finding\Globe finding\Disorder of eye proper (disorder)\Anomaly of eye (disorder)\Lesion of eye (disorder)\Lesion of retina\Retinal detachment\Traction detachment of retina\Traction detachment of right retina (disorder)
\Eye / vision finding\Globe finding\Disorder of eye proper (disorder)\Disorder of right eye proper\Disorder of retina of right eye (disorder)\Lesion of retina of right eye\Detachment of retina of right eye (disorder)\Traction detachment of right retina (disorder)
\Eye / vision finding\Globe finding\Disorder of eye proper (disorder)\Disorder of posterior segment of eye\Disorder of vitreous body and/or retina (disorder)\Retinal disorder\Disorder of retina of right eye (disorder)\Lesion of retina of right eye\Detachment of retina of right eye (disorder)\Traction detachment of right retina (disorder)
\Eye / vision finding\Globe finding\Disorder of eye proper (disorder)\Disorder of posterior segment of eye\Disorder of vitreous body and/or retina (disorder)\Retinal disorder\Lesion of retina\Lesion of retina of right eye\Detachment of retina of right eye (disorder)\Traction detachment of right retina (disorder)
\Eye / vision finding\Globe finding\Disorder of eye proper (disorder)\Disorder of posterior segment of eye\Disorder of vitreous body and/or retina (disorder)\Retinal disorder\Lesion of retina\Retinal detachment\Detachment of retina of right eye (disorder)\Traction detachment of right retina (disorder)
\Eye / vision finding\Globe finding\Disorder of eye proper (disorder)\Disorder of posterior segment of eye\Disorder of vitreous body and/or retina (disorder)\Retinal disorder\Lesion of retina\Retinal detachment\Traction detachment of retina\Traction detachment of right retina (disorder)
\Eye / vision finding\Visual system disorder\Disorder of eye region (disorder)\Disorder of right eye region\Disorder of right eye proper\Disorder of retina of right eye (disorder)\Lesion of retina of right eye\Detachment of retina of right eye (disorder)\Traction detachment of right retina (disorder)
\Eye / vision finding\Visual system disorder\Disorder of eye region (disorder)\Disorder of eye proper (disorder)\Anomaly of eye (disorder)\Lesion of eye (disorder)\Lesion of retina\Lesion of retina of right eye\Detachment of retina of right eye (disorder)\Traction detachment of right retina (disorder)
\Eye / vision finding\Visual system disorder\Disorder of eye region (disorder)\Disorder of eye proper (disorder)\Anomaly of eye (disorder)\Lesion of eye (disorder)\Lesion of retina\Retinal detachment\Detachment of retina of right eye (disorder)\Traction detachment of right retina (disorder)
\Eye / vision finding\Visual system disorder\Disorder of eye region (disorder)\Disorder of eye proper (disorder)\Anomaly of eye (disorder)\Lesion of eye (disorder)\Lesion of retina\Retinal detachment\Traction detachment of retina\Traction detachment of right retina (disorder)
\Eye / vision finding\Visual system disorder\Disorder of eye region (disorder)\Disorder of eye proper (disorder)\Disorder of right eye proper\Disorder of retina of right eye (disorder)\Lesion of retina of right eye\Detachment of retina of right eye (disorder)\Traction detachment of right retina (disorder)
\Eye / vision finding\Visual system disorder\Disorder of eye region (disorder)\Disorder of eye proper (disorder)\Disorder of posterior segment of eye\Disorder of vitreous body and/or retina (disorder)\Retinal disorder\Disorder of retina of right eye (disorder)\Lesion of retina of right eye\Detachment of retina of right eye (disorder)\Traction detachment of right retina (disorder)
\Eye / vision finding\Visual system disorder\Disorder of eye region (disorder)\Disorder of eye proper (disorder)\Disorder of posterior segment of eye\Disorder of vitreous body and/or retina (disorder)\Retinal disorder\Lesion of retina\Lesion of retina of right eye\Detachment of retina of right eye (disorder)\Traction detachment of right retina (disorder)
\Eye / vision finding\Visual system disorder\Disorder of eye region (disorder)\Disorder of eye proper (disorder)\Disorder of posterior segment of eye\Disorder of vitreous body and/or retina (disorder)\Retinal disorder\Lesion of retina\Retinal detachment\Detachment of retina of right eye (disorder)\Traction detachment of right retina (disorder)
\Eye / vision finding\Visual system disorder\Disorder of eye region (disorder)\Disorder of eye proper (disorder)\Disorder of posterior segment of eye\Disorder of vitreous body and/or retina (disorder)\Retinal disorder\Lesion of retina\Retinal detachment\Traction detachment of retina\Traction detachment of right retina (disorder)

\Disease\Disorder of sensory organ (disorder)\Disorder of eye proper (disorder)\Anomaly of eye (disorder)\Lesion of eye (disorder)\Lesion of retina\Lesion of retina of right eye\Detachment of retina of right eye (disorder)\Traction detachment of right retina (disorder)
\Disease\Disorder of sensory organ (disorder)\Disorder of eye proper (disorder)\Anomaly of eye (disorder)\Lesion of eye (disorder)\Lesion of retina\Retinal detachment\Detachment of retina of right eye (disorder)\Traction detachment of right retina (disorder)
\Disease\Disorder of sensory organ (disorder)\Disorder of eye proper (disorder)\Anomaly of eye (disorder)\Lesion of eye (disorder)\Lesion of retina\Retinal detachment\Traction detachment of retina\Traction detachment of right retina (disorder)
\Disease\Disorder of sensory organ (disorder)\Disorder of eye proper (disorder)\Disorder of right eye proper\Disorder of retina of right eye (disorder)\Lesion of retina of right eye\Detachment of retina of right eye (disorder)\Traction detachment of right retina (disorder)
\Disease\Disorder of sensory organ (disorder)\Disorder of eye proper (disorder)\Disorder of posterior segment of eye\Disorder of vitreous body and/or retina (disorder)\Retinal disorder\Disorder of retina of right eye (disorder)\Lesion of retina of right eye\Detachment of retina of right eye (disorder)\Traction detachment of right retina (disorder)
\Disease\Disorder of sensory organ (disorder)\Disorder of eye proper (disorder)\Disorder of posterior segment of eye\Disorder of vitreous body and/or retina (disorder)\Retinal disorder\Lesion of retina\Lesion of retina of right eye\Detachment of retina of right eye (disorder)\Traction detachment of right retina (disorder)
\Disease\Disorder of sensory organ (disorder)\Disorder of eye proper (disorder)\Disorder of posterior segment of eye\Disorder of vitreous body and/or retina (disorder)\Retinal disorder\Lesion of retina\Retinal detachment\Detachment of retina of right eye (disorder)\Traction detachment of right retina (disorder)
\Disease\Disorder of sensory organ (disorder)\Disorder of eye proper (disorder)\Disorder of posterior segment of eye\Disorder of vitreous body and/or retina (disorder)\Retinal disorder\Lesion of retina\Retinal detachment\Traction detachment of retina\Traction detachment of right retina (disorder)
\Disease\Disorder of body system\Visual system disorder\Disorder of eye region (disorder)\Disorder of right eye region\Disorder of right eye proper\Disorder of retina of right eye (disorder)\Lesion of retina of right eye\Detachment of retina of right eye (disorder)\Traction detachment of right retina (disorder)
\Disease\Disorder of body system\Visual system disorder\Disorder of eye region (disorder)\Disorder of eye proper (disorder)\Anomaly of eye (disorder)\Lesion of eye (disorder)\Lesion of retina\Lesion of retina of right eye\Detachment of retina of right eye (disorder)\Traction detachment of right retina (disorder)
\Disease\Disorder of body system\Visual system disorder\Disorder of eye region (disorder)\Disorder of eye proper (disorder)\Anomaly of eye (disorder)\Lesion of eye (disorder)\Lesion of retina\Retinal detachment\Detachment of retina of right eye (disorder)\Traction detachment of right retina (disorder)
\Disease\Disorder of body system\Visual system disorder\Disorder of eye region (disorder)\Disorder of eye proper (disorder)\Anomaly of eye (disorder)\Lesion of eye (disorder)\Lesion of retina\Retinal detachment\Traction detachment of retina\Traction detachment of right retina (disorder)
\Disease\Disorder of body system\Visual system disorder\Disorder of eye region (disorder)\Disorder of eye proper (disorder)\Disorder of right eye proper\Disorder of retina of right eye (disorder)\Lesion of retina of right eye\Detachment of retina of right eye (disorder)\Traction detachment of right retina (disorder)
\Disease\Disorder of body system\Visual system disorder\Disorder of eye region (disorder)\Disorder of eye proper (disorder)\Disorder of posterior segment of eye\Disorder of vitreous body and/or retina (disorder)\Retinal disorder\Disorder of retina of right eye (disorder)\Lesion of retina of right eye\Detachment of retina of right eye (disorder)\Traction detachment of right retina (disorder)
\Disease\Disorder of body system\Visual system disorder\Disorder of eye region (disorder)\Disorder of eye proper (disorder)\Disorder of posterior segment of eye\Disorder of vitreous body and/or retina (disorder)\Retinal disorder\Lesion of retina\Lesion of retina of right eye\Detachment of retina of right eye (disorder)\Traction detachment of right retina (disorder)
\Disease\Disorder of body system\Visual system disorder\Disorder of eye region (disorder)\Disorder of eye proper (disorder)\Disorder of posterior segment of eye\Disorder of vitreous body and/or retina (disorder)\Retinal disorder\Lesion of retina\Retinal detachment\Detachment of retina of right eye (disorder)\Traction detachment of right retina (disorder)
\Disease\Disorder of body system\Visual system disorder\Disorder of eye region (disorder)\Disorder of eye proper (disorder)\Disorder of posterior segment of eye\Disorder of vitreous body and/or retina (disorder)\Retinal disorder\Lesion of retina\Retinal detachment\Traction detachment of retina\Traction detachment of right retina (disorder)
\Disease\Disorder of head (disorder)\Disorder of eye region (disorder)\Disorder of right eye region\Disorder of right eye proper\Disorder of retina of right eye (disorder)\Lesion of retina of right eye\Detachment of retina of right eye (disorder)\Traction detachment of right retina (disorder)
\Disease\Disorder of head (disorder)\Disorder of eye region (disorder)\Disorder of eye proper (disorder)\Anomaly of eye (disorder)\Lesion of eye (disorder)\Lesion of retina\Lesion of retina of right eye\Detachment of retina of right eye (disorder)\Traction detachment of right retina (disorder)
\Disease\Disorder of head (disorder)\Disorder of eye region (disorder)\Disorder of eye proper (disorder)\Anomaly of eye (disorder)\Lesion of eye (disorder)\Lesion of retina\Retinal detachment\Detachment of retina of right eye (disorder)\Traction detachment of right retina (disorder)
\Disease\Disorder of head (disorder)\Disorder of eye region (disorder)\Disorder of eye proper (disorder)\Anomaly of eye (disorder)\Lesion of eye (disorder)\Lesion of retina\Retinal detachment\Traction detachment of retina\Traction detachment of right retina (disorder)
\Disease\Disorder of head (disorder)\Disorder of eye region (disorder)\Disorder of eye proper (disorder)\Disorder of right eye proper\Disorder of retina of right eye (disorder)\Lesion of retina of right eye\Detachment of retina of right eye (disorder)\Traction detachment of right retina (disorder)
\Disease\Disorder of head (disorder)\Disorder of eye region (disorder)\Disorder of eye proper (disorder)\Disorder of posterior segment of eye\Disorder of vitreous body and/or retina (disorder)\Retinal disorder\Disorder of retina of right eye (disorder)\Lesion of retina of right eye\Detachment of retina of right eye (disorder)\Traction detachment of right retina (disorder)
\Disease\Disorder of head (disorder)\Disorder of eye region (disorder)\Disorder of eye proper (disorder)\Disorder of posterior segment of eye\Disorder of vitreous body and/or retina (disorder)\Retinal disorder\Lesion of retina\Lesion of retina of right eye\Detachment of retina of right eye (disorder)\Traction detachment of right retina (disorder)
\Disease\Disorder of head (disorder)\Disorder of eye region (disorder)\Disorder of eye proper (disorder)\Disorder of posterior segment of eye\Disorder of vitreous body and/or retina (disorder)\Retinal disorder\Lesion of retina\Retinal detachment\Detachment of retina of right eye (disorder)\Traction detachment of right retina (disorder)
\Disease\Disorder of head (disorder)\Disorder of eye region (disorder)\Disorder of eye proper (disorder)\Disorder of posterior segment of eye\Disorder of vitreous body and/or retina (disorder)\Retinal disorder\Lesion of retina\Retinal detachment\Traction detachment of retina\Traction detachment of right retina (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

3702406010 Traction detachment of right retina (disorder) en Fully specified name Active Entire term case insensitive (core metadata concept) SNOMED CT core
3702407018 Traction detachment of right retina en Synonym (core metadata concept) Active Entire term case insensitive (core metadata concept) SNOMED CT core

Expanded Value Set

Outbound Relationships	Type	Target	Active	Characteristic	Refinability	Group	Values
Traction detachment of right retina (disorder)	Causative agent	Mechanical tension	true	Inferred relationship	Some	1
Traction detachment of right retina (disorder)	Finding site	Structure of retina of right eye	true	Inferred relationship	Some	1
Traction detachment of right retina (disorder)	Associated morphology	Separation (morphologic abnormality)	true	Inferred relationship	Some	1
Traction detachment of right retina (disorder)	Is a	Traction detachment of retina	true	Inferred relationship	Some
Traction detachment of right retina (disorder)	Is a	Disorder of right eye	false	Inferred relationship	Some
Traction detachment of right retina (disorder)	Is a	Lesion of retina of right eye	false	Inferred relationship	Some
Traction detachment of right retina (disorder)	Is a	Detachment of retina of right eye (disorder)	true	Inferred relationship	Some
Traction detachment of right retina (disorder)	Is a	Detachment of retina of right eye	false	Inferred relationship	Some

Inbound Relationships	Type	Active	Source	Characteristic	Refinability	Group
Traction detachment of bilateral retinas (disorder)	Is a	True	Traction detachment of right retina (disorder)	Inferred relationship	Some

This concept is not in any reference sets