1340293005: Contusion of lateral condyle of tibia (disorder)

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

\Finding of limb structure (finding)\Disorder of limb\Disorder of lower limb\Disorder of free lower limb (disorder)\Injury of free lower limb\Injury of lower leg\Injury of tibia (disorder)\Contusion of lateral condyle of tibia (disorder)
\Finding of limb structure (finding)\Disorder of limb\Disorder of lower limb\Disorder of free lower limb (disorder)\Injury of free lower limb\Injury of lower leg\Contusion of lower leg\Contusion, knee and lower leg\Contusion of lateral condyle of tibia (disorder)
\Finding of limb structure (finding)\Disorder of limb\Disorder of lower limb\Disorder of free lower limb (disorder)\Injury of free lower limb\Injury of knee\Traumatic arthropathy-knee\Contusion of lateral condyle of tibia (disorder)
\Finding of limb structure (finding)\Disorder of limb\Disorder of lower limb\Disorder of free lower limb (disorder)\Injury of free lower limb\Injury of knee\Contusion of knee\Contusion, knee and lower leg\Contusion of lateral condyle of tibia (disorder)
\Finding of limb structure (finding)\Disorder of limb\Disorder of lower limb\Disorder of free lower limb (disorder)\Disorder of lower leg (disorder)\Injury of lower leg\Injury of tibia (disorder)\Contusion of lateral condyle of tibia (disorder)
\Finding of limb structure (finding)\Disorder of limb\Disorder of lower limb\Disorder of free lower limb (disorder)\Disorder of lower leg (disorder)\Injury of lower leg\Contusion of lower leg\Contusion, knee and lower leg\Contusion of lateral condyle of tibia (disorder)
\Finding of limb structure (finding)\Disorder of limb\Disorder of lower limb\Disorder of free lower limb (disorder)\Disorder of knee (disorder)\Arthropathy of knee joint\Traumatic arthropathy-knee\Contusion of lateral condyle of tibia (disorder)
\Finding of limb structure (finding)\Disorder of limb\Disorder of lower limb\Disorder of free lower limb (disorder)\Disorder of knee (disorder)\Injury of knee\Traumatic arthropathy-knee\Contusion of lateral condyle of tibia (disorder)
\Finding of limb structure (finding)\Disorder of limb\Disorder of lower limb\Disorder of free lower limb (disorder)\Disorder of knee (disorder)\Injury of knee\Contusion of knee\Contusion, knee and lower leg\Contusion of lateral condyle of tibia (disorder)
\Finding of limb structure (finding)\Disorder of limb\Disorder of lower limb\Injury of lower limb (disorder)\Injury of free lower limb\Injury of lower leg\Injury of tibia (disorder)\Contusion of lateral condyle of tibia (disorder)
\Finding of limb structure (finding)\Disorder of limb\Disorder of lower limb\Injury of lower limb (disorder)\Injury of free lower limb\Injury of lower leg\Contusion of lower leg\Contusion, knee and lower leg\Contusion of lateral condyle of tibia (disorder)
\Finding of limb structure (finding)\Disorder of limb\Disorder of lower limb\Injury of lower limb (disorder)\Injury of free lower limb\Injury of knee\Traumatic arthropathy-knee\Contusion of lateral condyle of tibia (disorder)
\Finding of limb structure (finding)\Disorder of limb\Disorder of lower limb\Injury of lower limb (disorder)\Injury of free lower limb\Injury of knee\Contusion of knee\Contusion, knee and lower leg\Contusion of lateral condyle of tibia (disorder)
\Finding of limb structure (finding)\Disorder of limb\Disorder of lower limb\Injury of lower limb (disorder)\Traumatic arthropathy of lower extremity (disorder)\Traumatic arthropathy-knee\Contusion of lateral condyle of tibia (disorder)
\Finding of limb structure (finding)\Disorder of limb\Disorder of lower limb\Injury of lower limb (disorder)\Contusion of lower limb (disorder)\Contusion of lower leg\Contusion, knee and lower leg\Contusion of lateral condyle of tibia (disorder)
\Finding of limb structure (finding)\Disorder of limb\Disorder of lower limb\Injury of lower limb (disorder)\Contusion of lower limb (disorder)\Contusion of knee\Contusion, knee and lower leg\Contusion of lateral condyle of tibia (disorder)
\Finding of limb structure (finding)\Finding of lower limb (finding)\Finding of bone of lower limb (finding)\Injury of tibia (disorder)\Contusion of lateral condyle of tibia (disorder)
\Finding of limb structure (finding)\Finding of lower limb (finding)\Disorder of lower limb\Disorder of free lower limb (disorder)\Injury of free lower limb\Injury of lower leg\Injury of tibia (disorder)\Contusion of lateral condyle of tibia (disorder)
\Finding of limb structure (finding)\Finding of lower limb (finding)\Disorder of lower limb\Disorder of free lower limb (disorder)\Injury of free lower limb\Injury of lower leg\Contusion of lower leg\Contusion, knee and lower leg\Contusion of lateral condyle of tibia (disorder)
\Finding of limb structure (finding)\Finding of lower limb (finding)\Disorder of lower limb\Disorder of free lower limb (disorder)\Injury of free lower limb\Injury of knee\Traumatic arthropathy-knee\Contusion of lateral condyle of tibia (disorder)
\Finding of limb structure (finding)\Finding of lower limb (finding)\Disorder of lower limb\Disorder of free lower limb (disorder)\Injury of free lower limb\Injury of knee\Contusion of knee\Contusion, knee and lower leg\Contusion of lateral condyle of tibia (disorder)
\Finding of limb structure (finding)\Finding of lower limb (finding)\Disorder of lower limb\Disorder of free lower limb (disorder)\Disorder of lower leg (disorder)\Injury of lower leg\Injury of tibia (disorder)\Contusion of lateral condyle of tibia (disorder)
\Finding of limb structure (finding)\Finding of lower limb (finding)\Disorder of lower limb\Disorder of free lower limb (disorder)\Disorder of lower leg (disorder)\Injury of lower leg\Contusion of lower leg\Contusion, knee and lower leg\Contusion of lateral condyle of tibia (disorder)
\Finding of limb structure (finding)\Finding of lower limb (finding)\Disorder of lower limb\Disorder of free lower limb (disorder)\Disorder of knee (disorder)\Arthropathy of knee joint\Traumatic arthropathy-knee\Contusion of lateral condyle of tibia (disorder)
\Finding of limb structure (finding)\Finding of lower limb (finding)\Disorder of lower limb\Disorder of free lower limb (disorder)\Disorder of knee (disorder)\Injury of knee\Traumatic arthropathy-knee\Contusion of lateral condyle of tibia (disorder)
\Finding of limb structure (finding)\Finding of lower limb (finding)\Disorder of lower limb\Disorder of free lower limb (disorder)\Disorder of knee (disorder)\Injury of knee\Contusion of knee\Contusion, knee and lower leg\Contusion of lateral condyle of tibia (disorder)
\Finding of limb structure (finding)\Finding of lower limb (finding)\Disorder of lower limb\Injury of lower limb (disorder)\Injury of free lower limb\Injury of lower leg\Injury of tibia (disorder)\Contusion of lateral condyle of tibia (disorder)
\Finding of limb structure (finding)\Finding of lower limb (finding)\Disorder of lower limb\Injury of lower limb (disorder)\Injury of free lower limb\Injury of lower leg\Contusion of lower leg\Contusion, knee and lower leg\Contusion of lateral condyle of tibia (disorder)
\Finding of limb structure (finding)\Finding of lower limb (finding)\Disorder of lower limb\Injury of lower limb (disorder)\Injury of free lower limb\Injury of knee\Traumatic arthropathy-knee\Contusion of lateral condyle of tibia (disorder)
\Finding of limb structure (finding)\Finding of lower limb (finding)\Disorder of lower limb\Injury of lower limb (disorder)\Injury of free lower limb\Injury of knee\Contusion of knee\Contusion, knee and lower leg\Contusion of lateral condyle of tibia (disorder)
\Finding of limb structure (finding)\Finding of lower limb (finding)\Disorder of lower limb\Injury of lower limb (disorder)\Traumatic arthropathy of lower extremity (disorder)\Traumatic arthropathy-knee\Contusion of lateral condyle of tibia (disorder)
\Finding of limb structure (finding)\Finding of lower limb (finding)\Disorder of lower limb\Injury of lower limb (disorder)\Contusion of lower limb (disorder)\Contusion of lower leg\Contusion, knee and lower leg\Contusion of lateral condyle of tibia (disorder)
\Finding of limb structure (finding)\Finding of lower limb (finding)\Disorder of lower limb\Injury of lower limb (disorder)\Contusion of lower limb (disorder)\Contusion of knee\Contusion, knee and lower leg\Contusion of lateral condyle of tibia (disorder)
\Finding of limb structure (finding)\Finding of lower limb (finding)\Finding of knee region (finding)\Knee joint finding\Arthropathy of knee joint\Traumatic arthropathy-knee\Contusion of lateral condyle of tibia (disorder)
\Finding of limb structure (finding)\Finding of lower limb (finding)\Finding of knee region (finding)\Disorder of knee (disorder)\Arthropathy of knee joint\Traumatic arthropathy-knee\Contusion of lateral condyle of tibia (disorder)
\Finding of limb structure (finding)\Finding of lower limb (finding)\Finding of knee region (finding)\Disorder of knee (disorder)\Injury of knee\Traumatic arthropathy-knee\Contusion of lateral condyle of tibia (disorder)
\Finding of limb structure (finding)\Finding of lower limb (finding)\Finding of knee region (finding)\Disorder of knee (disorder)\Injury of knee\Contusion of knee\Contusion, knee and lower leg\Contusion of lateral condyle of tibia (disorder)

\Wound finding (finding)\Wound (disorder)\Closed wound (disorder)\Contusion (disorder)\Contusion of lower limb (disorder)\...

\Contusion of lower leg\Contusion, knee and lower leg\Contusion of lateral condyle of tibia (disorder)

\Contusion of knee\Contusion, knee and lower leg\Contusion of lateral condyle of tibia (disorder)

\Musculoskeletal finding (finding)\Bone finding\Finding of bone of lower limb (finding)\Injury of tibia (disorder)\Contusion of lateral condyle of tibia (disorder)
\Musculoskeletal finding (finding)\Bone finding\Disorder of bone (disorder)\Bone injury\Injury of tibia (disorder)\Contusion of lateral condyle of tibia (disorder)
\Musculoskeletal finding (finding)\Joint finding\Arthropathy\Arthropathy of knee joint\Traumatic arthropathy-knee\Contusion of lateral condyle of tibia (disorder)
\Musculoskeletal finding (finding)\Joint finding\Arthropathy\Lesion of joint\Contusion of lateral condyle of tibia (disorder)
\Musculoskeletal finding (finding)\Joint finding\Arthropathy\Joint injury (disorder)\Traumatic arthropathy\Traumatic arthropathy of lower extremity (disorder)\Traumatic arthropathy-knee\Contusion of lateral condyle of tibia (disorder)
\Musculoskeletal finding (finding)\Joint finding\Knee joint finding\Arthropathy of knee joint\Traumatic arthropathy-knee\Contusion of lateral condyle of tibia (disorder)
\Musculoskeletal finding (finding)\Disorder of musculoskeletal system (disorder)\Injury of musculoskeletal system\Bone injury\Injury of tibia (disorder)\Contusion of lateral condyle of tibia (disorder)
\Musculoskeletal finding (finding)\Disorder of musculoskeletal system (disorder)\Injury of musculoskeletal system\Joint injury (disorder)\Traumatic arthropathy\Traumatic arthropathy of lower extremity (disorder)\Traumatic arthropathy-knee\Contusion of lateral condyle of tibia (disorder)
\Musculoskeletal finding (finding)\Disorder of musculoskeletal system (disorder)\Disorder of skeletal system\Arthropathy\Arthropathy of knee joint\Traumatic arthropathy-knee\Contusion of lateral condyle of tibia (disorder)
\Musculoskeletal finding (finding)\Disorder of musculoskeletal system (disorder)\Disorder of skeletal system\Arthropathy\Lesion of joint\Contusion of lateral condyle of tibia (disorder)
\Musculoskeletal finding (finding)\Disorder of musculoskeletal system (disorder)\Disorder of skeletal system\Arthropathy\Joint injury (disorder)\Traumatic arthropathy\Traumatic arthropathy of lower extremity (disorder)\Traumatic arthropathy-knee\Contusion of lateral condyle of tibia (disorder)
\Musculoskeletal finding (finding)\Disorder of musculoskeletal system (disorder)\Disorder of skeletal system\Disorder of bone (disorder)\Bone injury\Injury of tibia (disorder)\Contusion of lateral condyle of tibia (disorder)

\Disease\Disorder of joint region\Arthropathy\Arthropathy of knee joint\Traumatic arthropathy-knee\Contusion of lateral condyle of tibia (disorder)
\Disease\Disorder of joint region\Arthropathy\Lesion of joint\Contusion of lateral condyle of tibia (disorder)
\Disease\Disorder of joint region\Arthropathy\Joint injury (disorder)\Traumatic arthropathy\Traumatic arthropathy of lower extremity (disorder)\Traumatic arthropathy-knee\Contusion of lateral condyle of tibia (disorder)
\Disease\Disorder of joint region\Disorder of knee (disorder)\Arthropathy of knee joint\Traumatic arthropathy-knee\Contusion of lateral condyle of tibia (disorder)
\Disease\Disorder of joint region\Disorder of knee (disorder)\Injury of knee\Traumatic arthropathy-knee\Contusion of lateral condyle of tibia (disorder)
\Disease\Disorder of joint region\Disorder of knee (disorder)\Injury of knee\Contusion of knee\Contusion, knee and lower leg\Contusion of lateral condyle of tibia (disorder)
\Disease\Traumatic or non-traumatic injury (disorder)\Traumatic injury (disorder)\Closed wound (disorder)\Contusion (disorder)\Contusion of lower limb (disorder)\Contusion of lower leg\Contusion, knee and lower leg\Contusion of lateral condyle of tibia (disorder)
\Disease\Traumatic or non-traumatic injury (disorder)\Traumatic injury (disorder)\Closed wound (disorder)\Contusion (disorder)\Contusion of lower limb (disorder)\Contusion of knee\Contusion, knee and lower leg\Contusion of lateral condyle of tibia (disorder)
\Disease\Traumatic or non-traumatic injury (disorder)\Traumatic injury (disorder)\Traumatic arthropathy\Traumatic arthropathy of lower extremity (disorder)\Traumatic arthropathy-knee\Contusion of lateral condyle of tibia (disorder)
\Disease\Traumatic or non-traumatic injury (disorder)\Wound (disorder)\Closed wound (disorder)\Contusion (disorder)\Contusion of lower limb (disorder)\Contusion of lower leg\Contusion, knee and lower leg\Contusion of lateral condyle of tibia (disorder)
\Disease\Traumatic or non-traumatic injury (disorder)\Wound (disorder)\Closed wound (disorder)\Contusion (disorder)\Contusion of lower limb (disorder)\Contusion of knee\Contusion, knee and lower leg\Contusion of lateral condyle of tibia (disorder)
\Disease\Traumatic or non-traumatic injury (disorder)\Injury of lower limb (disorder)\Injury of free lower limb\Injury of lower leg\Injury of tibia (disorder)\Contusion of lateral condyle of tibia (disorder)
\Disease\Traumatic or non-traumatic injury (disorder)\Injury of lower limb (disorder)\Injury of free lower limb\Injury of lower leg\Contusion of lower leg\Contusion, knee and lower leg\Contusion of lateral condyle of tibia (disorder)
\Disease\Traumatic or non-traumatic injury (disorder)\Injury of lower limb (disorder)\Injury of free lower limb\Injury of knee\Traumatic arthropathy-knee\Contusion of lateral condyle of tibia (disorder)
\Disease\Traumatic or non-traumatic injury (disorder)\Injury of lower limb (disorder)\Injury of free lower limb\Injury of knee\Contusion of knee\Contusion, knee and lower leg\Contusion of lateral condyle of tibia (disorder)
\Disease\Traumatic or non-traumatic injury (disorder)\Injury of lower limb (disorder)\Traumatic arthropathy of lower extremity (disorder)\Traumatic arthropathy-knee\Contusion of lateral condyle of tibia (disorder)
\Disease\Traumatic or non-traumatic injury (disorder)\Injury of lower limb (disorder)\Contusion of lower limb (disorder)\Contusion of lower leg\Contusion, knee and lower leg\Contusion of lateral condyle of tibia (disorder)
\Disease\Traumatic or non-traumatic injury (disorder)\Injury of lower limb (disorder)\Contusion of lower limb (disorder)\Contusion of knee\Contusion, knee and lower leg\Contusion of lateral condyle of tibia (disorder)
\Disease\Traumatic or non-traumatic injury (disorder)\Injury of musculoskeletal system\Bone injury\Injury of tibia (disorder)\Contusion of lateral condyle of tibia (disorder)
\Disease\Traumatic or non-traumatic injury (disorder)\Injury of musculoskeletal system\Joint injury (disorder)\Traumatic arthropathy\Traumatic arthropathy of lower extremity (disorder)\Traumatic arthropathy-knee\Contusion of lateral condyle of tibia (disorder)
\Disease\Disorder of body system\Disorder of musculoskeletal system (disorder)\Injury of musculoskeletal system\Bone injury\Injury of tibia (disorder)\Contusion of lateral condyle of tibia (disorder)
\Disease\Disorder of body system\Disorder of musculoskeletal system (disorder)\Injury of musculoskeletal system\Joint injury (disorder)\Traumatic arthropathy\Traumatic arthropathy of lower extremity (disorder)\Traumatic arthropathy-knee\Contusion of lateral condyle of tibia (disorder)
\Disease\Disorder of body system\Disorder of musculoskeletal system (disorder)\Disorder of skeletal system\Arthropathy\Arthropathy of knee joint\Traumatic arthropathy-knee\Contusion of lateral condyle of tibia (disorder)
\Disease\Disorder of body system\Disorder of musculoskeletal system (disorder)\Disorder of skeletal system\Arthropathy\Lesion of joint\Contusion of lateral condyle of tibia (disorder)
\Disease\Disorder of body system\Disorder of musculoskeletal system (disorder)\Disorder of skeletal system\Arthropathy\Joint injury (disorder)\Traumatic arthropathy\Traumatic arthropathy of lower extremity (disorder)\Traumatic arthropathy-knee\Contusion of lateral condyle of tibia (disorder)
\Disease\Disorder of body system\Disorder of musculoskeletal system (disorder)\Disorder of skeletal system\Disorder of bone (disorder)\Bone injury\Injury of tibia (disorder)\Contusion of lateral condyle of tibia (disorder)
\Disease\Disorder of limb\Disorder of lower limb\Disorder of free lower limb (disorder)\Injury of free lower limb\Injury of lower leg\Injury of tibia (disorder)\Contusion of lateral condyle of tibia (disorder)
\Disease\Disorder of limb\Disorder of lower limb\Disorder of free lower limb (disorder)\Injury of free lower limb\Injury of lower leg\Contusion of lower leg\Contusion, knee and lower leg\Contusion of lateral condyle of tibia (disorder)
\Disease\Disorder of limb\Disorder of lower limb\Disorder of free lower limb (disorder)\Injury of free lower limb\Injury of knee\Traumatic arthropathy-knee\Contusion of lateral condyle of tibia (disorder)
\Disease\Disorder of limb\Disorder of lower limb\Disorder of free lower limb (disorder)\Injury of free lower limb\Injury of knee\Contusion of knee\Contusion, knee and lower leg\Contusion of lateral condyle of tibia (disorder)
\Disease\Disorder of limb\Disorder of lower limb\Disorder of free lower limb (disorder)\Disorder of lower leg (disorder)\Injury of lower leg\Injury of tibia (disorder)\Contusion of lateral condyle of tibia (disorder)
\Disease\Disorder of limb\Disorder of lower limb\Disorder of free lower limb (disorder)\Disorder of lower leg (disorder)\Injury of lower leg\Contusion of lower leg\Contusion, knee and lower leg\Contusion of lateral condyle of tibia (disorder)
\Disease\Disorder of limb\Disorder of lower limb\Disorder of free lower limb (disorder)\Disorder of knee (disorder)\Arthropathy of knee joint\Traumatic arthropathy-knee\Contusion of lateral condyle of tibia (disorder)
\Disease\Disorder of limb\Disorder of lower limb\Disorder of free lower limb (disorder)\Disorder of knee (disorder)\Injury of knee\Traumatic arthropathy-knee\Contusion of lateral condyle of tibia (disorder)
\Disease\Disorder of limb\Disorder of lower limb\Disorder of free lower limb (disorder)\Disorder of knee (disorder)\Injury of knee\Contusion of knee\Contusion, knee and lower leg\Contusion of lateral condyle of tibia (disorder)
\Disease\Disorder of limb\Disorder of lower limb\Injury of lower limb (disorder)\Injury of free lower limb\Injury of lower leg\Injury of tibia (disorder)\Contusion of lateral condyle of tibia (disorder)
\Disease\Disorder of limb\Disorder of lower limb\Injury of lower limb (disorder)\Injury of free lower limb\Injury of lower leg\Contusion of lower leg\Contusion, knee and lower leg\Contusion of lateral condyle of tibia (disorder)
\Disease\Disorder of limb\Disorder of lower limb\Injury of lower limb (disorder)\Injury of free lower limb\Injury of knee\Traumatic arthropathy-knee\Contusion of lateral condyle of tibia (disorder)
\Disease\Disorder of limb\Disorder of lower limb\Injury of lower limb (disorder)\Injury of free lower limb\Injury of knee\Contusion of knee\Contusion, knee and lower leg\Contusion of lateral condyle of tibia (disorder)
\Disease\Disorder of limb\Disorder of lower limb\Injury of lower limb (disorder)\Traumatic arthropathy of lower extremity (disorder)\Traumatic arthropathy-knee\Contusion of lateral condyle of tibia (disorder)
\Disease\Disorder of limb\Disorder of lower limb\Injury of lower limb (disorder)\Contusion of lower limb (disorder)\Contusion of lower leg\Contusion, knee and lower leg\Contusion of lateral condyle of tibia (disorder)
\Disease\Disorder of limb\Disorder of lower limb\Injury of lower limb (disorder)\Contusion of lower limb (disorder)\Contusion of knee\Contusion, knee and lower leg\Contusion of lateral condyle of tibia (disorder)

Status: current, Sufficiently defined by necessary conditions definition status (core metadata concept). Date: 01-Jul 2024. Module: SNOMED CT core

Descriptions:

Id Description Lang Type Status Case? Module

5373952015 Contusion of lateral condyle of tibia en Synonym (core metadata concept) Active Entire term case insensitive (core metadata concept) SNOMED CT core

5373953013 Contusion of lateral condyle of tibia (disorder) en Fully specified name Active Entire term case insensitive (core metadata concept) SNOMED CT core

5373952015 Contusion of lateral condyle of tibia en Synonym (core metadata concept) Active Entire term case insensitive (core metadata concept) SNOMED CT core

5373953013 Contusion of lateral condyle of tibia (disorder) en Fully specified name Active Entire term case insensitive (core metadata concept) SNOMED CT core

Expanded Value Set

Outbound Relationships	Type	Target	Active	Characteristic	Refinability	Group	Values
Contusion of lateral condyle of tibia (disorder)	Is a	Traumatic arthropathy-knee	true	Inferred relationship	Existential restriction modifier (core metadata concept)
Contusion of lateral condyle of tibia (disorder)	Is a	Contusion, knee and lower leg	true	Inferred relationship	Existential restriction modifier (core metadata concept)
Contusion of lateral condyle of tibia (disorder)	Is a	Lesion of joint	true	Inferred relationship	Existential restriction modifier (core metadata concept)
Contusion of lateral condyle of tibia (disorder)	Is a	Injury of tibia (disorder)	true	Inferred relationship	Existential restriction modifier (core metadata concept)
Contusion of lateral condyle of tibia (disorder)	Due to	Traumatic event	true	Inferred relationship	Existential restriction modifier (core metadata concept)	2
Contusion of lateral condyle of tibia (disorder)	Finding site	Structure of lateral condyle of tibia (body structure)	true	Inferred relationship	Existential restriction modifier (core metadata concept)	1
Contusion of lateral condyle of tibia (disorder)	Associated morphology	Bruise - lesion	true	Inferred relationship	Existential restriction modifier (core metadata concept)	1

Inbound Relationships	Type	Active	Source	Characteristic	Refinability	Group
Contusion of lateral condyle of right tibia (disorder)	Is a	True	Contusion of lateral condyle of tibia (disorder)	Inferred relationship	Existential restriction modifier (core metadata concept)
Contusion of lateral condyle of left tibia (disorder)	Is a	True	Contusion of lateral condyle of tibia (disorder)	Inferred relationship	Existential restriction modifier (core metadata concept)

This concept is not in any reference sets