387481005: Sodium valproate (substance)

SNOMED CT Concept\Substance\...

\Drug or medicament (substance)\Central nervous system agent (substance)\...

\Psychoactive substance\Psychotropic agent (substance)\Valproate\Sodium valproate

\Anticonvulsant (substance)\Valproate\Sodium valproate

\Substance categorised by structure\Chemical\Chemical categorized by structure\Organic compound\...

\Organic acid and/or organic acid derivative (substance)\Carboxylic acid and/or carboxylic acid derivative (substance)\Carboxylic acid\Fatty acid (substance)\Unesterified fatty acid\Saturated fatty acid\Valproate\Sodium valproate

\Lipid\Fatty acid (substance)\Unesterified fatty acid\Saturated fatty acid\Valproate\Sodium valproate

Status: current, Not sufficiently defined by necessary conditions definition status (core metadata concept). Date: 31-Jan 2003. Module: SNOMED CT core

Descriptions:

Expanded Value Set

Outbound Relationships	Type	Target	Active	Characteristic	Refinability	Group	Values
Sodium valproate	Is a	Valproic acid (substance)	false	Inferred relationship	Existential restriction modifier (core metadata concept)
Sodium valproate	Is a	Valproate	false	Inferred relationship	Existential restriction modifier (core metadata concept)
Sodium valproate	Is modification of (attribute)	Valproic acid (substance)	true	Inferred relationship	Existential restriction modifier (core metadata concept)
Sodium valproate	Is a	Valproate	true	Inferred relationship	Existential restriction modifier (core metadata concept)

Inbound Relationships	Type	Active	Source	Characteristic	Refinability	Group
Poisoning caused by sodium valproate	Causative agent (attribute)	False	Sodium valproate	Inferred relationship	Existential restriction modifier (core metadata concept)	1
Accidental poisoning caused by sodium valproate	Causative agent (attribute)	False	Sodium valproate	Inferred relationship	Existential restriction modifier (core metadata concept)
Intentional poisoning caused by sodium valproate	Causative agent (attribute)	False	Sodium valproate	Inferred relationship	Existential restriction modifier (core metadata concept)
Poisoning caused by sodium valproate of undetermined intent	Causative agent (attribute)	False	Sodium valproate	Inferred relationship	Existential restriction modifier (core metadata concept)	1
Sodium valproate adverse reaction	Causative agent (attribute)	True	Sodium valproate	Inferred relationship	Existential restriction modifier (core metadata concept)	1
Overdose of sodium valproate	Causative agent (attribute)	False	Sodium valproate	Inferred relationship	Existential restriction modifier (core metadata concept)	1
Accidental overdose by sodium valproate	Causative agent (attribute)	False	Sodium valproate	Inferred relationship	Existential restriction modifier (core metadata concept)	1
Intentional overdose by sodium valproate	Causative agent (attribute)	False	Sodium valproate	Inferred relationship	Existential restriction modifier (core metadata concept)	1
Overdose of sodium valproate of undetermined intent	Causative agent (attribute)	False	Sodium valproate	Inferred relationship	Existential restriction modifier (core metadata concept)	1
Sodium valproate 400mg injection+diluent (substance)	The clinically relevant part or whole of the substance that is intended to have a therapeutic action on or within the body. It excludes esters, salts or other non-covalent derivatives (such as a complex, chelate etc.), but may include secondary modifications.	False	Sodium valproate	Inferred relationship	Existential restriction modifier (core metadata concept)
Product containing sodium valproate in parenteral dosage form	The clinically relevant part or whole of the substance that is intended to have a therapeutic action on or within the body. It excludes esters, salts or other non-covalent derivatives (such as a complex, chelate etc.), but may include secondary modifications.	False	Sodium valproate	Inferred relationship	Existential restriction modifier (core metadata concept)
Valproate sodium 500mg powder for injection solution vial	The clinically relevant part or whole of the substance that is intended to have a therapeutic action on or within the body. It excludes esters, salts or other non-covalent derivatives (such as a complex, chelate etc.), but may include secondary modifications.	False	Sodium valproate	Inferred relationship	Existential restriction modifier (core metadata concept)
Valproate sodium 250mg/5mL (product)	The clinically relevant part or whole of the substance that is intended to have a therapeutic action on or within the body. It excludes esters, salts or other non-covalent derivatives (such as a complex, chelate etc.), but may include secondary modifications.	False	Sodium valproate	Inferred relationship	Existential restriction modifier (core metadata concept)
[X]Valproic acid causing adverse effects in therapeutic use	Causative agent (attribute)	False	Sodium valproate	Inferred relationship	Existential restriction modifier (core metadata concept)
Accidental poisoning caused by sodium valproate	Causative agent (attribute)	False	Sodium valproate	Inferred relationship	Existential restriction modifier (core metadata concept)	1
Intentional poisoning caused by sodium valproate	Causative agent (attribute)	False	Sodium valproate	Inferred relationship	Existential restriction modifier (core metadata concept)	1
Oral sodium valproate m/r tablet (product)	The clinically relevant part or whole of the substance that is intended to have a therapeutic action on or within the body. It excludes esters, salts or other non-covalent derivatives (such as a complex, chelate etc.), but may include secondary modifications.	False	Sodium valproate	Inferred relationship	Existential restriction modifier (core metadata concept)
Sodium valproate 100mg crushable tablet	The clinically relevant part or whole of the substance that is intended to have a therapeutic action on or within the body. It excludes esters, salts or other non-covalent derivatives (such as a complex, chelate etc.), but may include secondary modifications.	False	Sodium valproate	Inferred relationship	Existential restriction modifier (core metadata concept)
Sodium valproate 200mg/5mL syrup (substance)	The clinically relevant part or whole of the substance that is intended to have a therapeutic action on or within the body. It excludes esters, salts or other non-covalent derivatives (such as a complex, chelate etc.), but may include secondary modifications.	False	Sodium valproate	Inferred relationship	Existential restriction modifier (core metadata concept)
Sodium valproate 300mg m/r tablet (substance)	The clinically relevant part or whole of the substance that is intended to have a therapeutic action on or within the body. It excludes esters, salts or other non-covalent derivatives (such as a complex, chelate etc.), but may include secondary modifications.	False	Sodium valproate	Inferred relationship	Existential restriction modifier (core metadata concept)
Sodium valproate 500mg m/r tablet	The clinically relevant part or whole of the substance that is intended to have a therapeutic action on or within the body. It excludes esters, salts or other non-covalent derivatives (such as a complex, chelate etc.), but may include secondary modifications.	False	Sodium valproate	Inferred relationship	Existential restriction modifier (core metadata concept)
Oral sodium valproate (substance)	The clinically relevant part or whole of the substance that is intended to have a therapeutic action on or within the body. It excludes esters, salts or other non-covalent derivatives (such as a complex, chelate etc.), but may include secondary modifications.	False	Sodium valproate	Inferred relationship	Existential restriction modifier (core metadata concept)
Sodium valproate 200mg m/r tablet (substance)	The clinically relevant part or whole of the substance that is intended to have a therapeutic action on or within the body. It excludes esters, salts or other non-covalent derivatives (such as a complex, chelate etc.), but may include secondary modifications.	False	Sodium valproate	Inferred relationship	Existential restriction modifier (core metadata concept)
Sodium valproate 200mg/5mL s/f oral liquid (substance)	The clinically relevant part or whole of the substance that is intended to have a therapeutic action on or within the body. It excludes esters, salts or other non-covalent derivatives (such as a complex, chelate etc.), but may include secondary modifications.	False	Sodium valproate	Inferred relationship	Existential restriction modifier (core metadata concept)
Sodium valproate 200 mg gastro-resistant oral tablet	The clinically relevant part or whole of the substance that is intended to have a therapeutic action on or within the body. It excludes esters, salts or other non-covalent derivatives (such as a complex, chelate etc.), but may include secondary modifications.	False	Sodium valproate	Inferred relationship	Existential restriction modifier (core metadata concept)
Product containing precisely sodium valproate 500 milligram/1 each gastro-resistant oral tablet (clinical drug)	The clinically relevant part or whole of the substance that is intended to have a therapeutic action on or within the body. It excludes esters, salts or other non-covalent derivatives (such as a complex, chelate etc.), but may include secondary modifications.	False	Sodium valproate	Inferred relationship	Existential restriction modifier (core metadata concept)
Sodium valproate blood measurement	Component	False	Sodium valproate	Inferred relationship	Existential restriction modifier (core metadata concept)	2
Serum sodium valproate measurement (procedure)	Component	False	Sodium valproate	Inferred relationship	Existential restriction modifier (core metadata concept)	2
Valproate sodium 100mg/mL solution for injection	The clinically relevant part or whole of the substance that is intended to have a therapeutic action on or within the body. It excludes esters, salts or other non-covalent derivatives (such as a complex, chelate etc.), but may include secondary modifications.	False	Sodium valproate	Inferred relationship	Existential restriction modifier (core metadata concept)
Allergy to valproate sodium	Causative agent (attribute)	False	Sodium valproate	Inferred relationship	Existential restriction modifier (core metadata concept)	2
Sodium valproate 100mg conventional release oral tablet	The clinically relevant part or whole of the substance that is intended to have a therapeutic action on or within the body. It excludes esters, salts or other non-covalent derivatives (such as a complex, chelate etc.), but may include secondary modifications.	False	Sodium valproate	Inferred relationship	Existential restriction modifier (core metadata concept)
Product containing precisely sodium valproate 300 milligram/1 each prolonged-release oral tablet (clinical drug)	Has basis of strength substance (attribute)	True	Sodium valproate	Inferred relationship	Existential restriction modifier (core metadata concept)	1
Product containing precisely sodium valproate 300 milligram/1 each prolonged-release oral tablet (clinical drug)	Has precise active ingredient	True	Sodium valproate	Inferred relationship	Existential restriction modifier (core metadata concept)	1
Sodium valproate 200 mg gastro-resistant oral tablet	Has precise active ingredient	True	Sodium valproate	Inferred relationship	Existential restriction modifier (core metadata concept)	1
Sodium valproate 200 mg gastro-resistant oral tablet	Has basis of strength substance (attribute)	True	Sodium valproate	Inferred relationship	Existential restriction modifier (core metadata concept)	1
Product containing precisely sodium valproate 500 milligram/1 each gastro-resistant oral tablet (clinical drug)	Has basis of strength substance (attribute)	True	Sodium valproate	Inferred relationship	Existential restriction modifier (core metadata concept)	1
Product containing precisely sodium valproate 500 milligram/1 each gastro-resistant oral tablet (clinical drug)	Has precise active ingredient	True	Sodium valproate	Inferred relationship	Existential restriction modifier (core metadata concept)	1
Sodium valproate 500 mg prolonged-release oral tablet	Has basis of strength substance (attribute)	True	Sodium valproate	Inferred relationship	Existential restriction modifier (core metadata concept)	1
Sodium valproate 500 mg prolonged-release oral tablet	Has precise active ingredient	True	Sodium valproate	Inferred relationship	Existential restriction modifier (core metadata concept)	1
Sodium valproate 200 mg prolonged-release oral tablet	Has precise active ingredient	True	Sodium valproate	Inferred relationship	Existential restriction modifier (core metadata concept)	1
Sodium valproate 200 mg prolonged-release oral tablet	Has basis of strength substance (attribute)	True	Sodium valproate	Inferred relationship	Existential restriction modifier (core metadata concept)	1
Sodium valproate 400 mg powder for solution for injection vial	Has precise active ingredient	True	Sodium valproate	Inferred relationship	Existential restriction modifier (core metadata concept)	1
Sodium valproate 400 mg powder for solution for injection vial	Has basis of strength substance (attribute)	True	Sodium valproate	Inferred relationship	Existential restriction modifier (core metadata concept)	1
Sodium valproate 40 mg/mL oral solution	Has basis of strength substance (attribute)	True	Sodium valproate	Inferred relationship	Existential restriction modifier (core metadata concept)	1
Sodium valproate 40 mg/mL oral solution	Has precise active ingredient	True	Sodium valproate	Inferred relationship	Existential restriction modifier (core metadata concept)	1
Allergy to valproate sodium	Causative agent (attribute)	False	Sodium valproate	Inferred relationship	Existential restriction modifier (core metadata concept)	1
Sodium valproate 100 mg oral tablet	Has basis of strength substance (attribute)	True	Sodium valproate	Inferred relationship	Existential restriction modifier (core metadata concept)	1
Sodium valproate 100 mg oral tablet	Has precise active ingredient	True	Sodium valproate	Inferred relationship	Existential restriction modifier (core metadata concept)	1
Sodium valproate 100 mg/mL solution for injection	Has precise active ingredient	True	Sodium valproate	Inferred relationship	Existential restriction modifier (core metadata concept)	1
Sodium valproate 100 mg/mL solution for injection	Has basis of strength substance (attribute)	True	Sodium valproate	Inferred relationship	Existential restriction modifier (core metadata concept)	1
Product containing precisely sodium valproate 133 milligram and valproic acid 58 milligram/1 each prolonged-release oral tablet (clinical drug)	Has precise active ingredient	True	Sodium valproate	Inferred relationship	Existential restriction modifier (core metadata concept)	2
Product containing precisely sodium valproate 133 milligram and valproic acid 58 milligram/1 each prolonged-release oral tablet (clinical drug)	Has basis of strength substance (attribute)	True	Sodium valproate	Inferred relationship	Existential restriction modifier (core metadata concept)	2
Sodium valproate 333 mg and valproic acid 145 mg prolonged-release oral tablet	Has precise active ingredient	True	Sodium valproate	Inferred relationship	Existential restriction modifier (core metadata concept)	2
Sodium valproate 333 mg and valproic acid 145 mg prolonged-release oral tablet	Has basis of strength substance (attribute)	True	Sodium valproate	Inferred relationship	Existential restriction modifier (core metadata concept)	2
Product containing precisely sodium valproate 200 milligram and valproic acid 87 milligram/1 each prolonged-release oral tablet (clinical drug)	Has precise active ingredient	True	Sodium valproate	Inferred relationship	Existential restriction modifier (core metadata concept)	2
Product containing precisely sodium valproate 200 milligram and valproic acid 87 milligram/1 each prolonged-release oral tablet (clinical drug)	Has basis of strength substance (attribute)	True	Sodium valproate	Inferred relationship	Existential restriction modifier (core metadata concept)	2
Sodium valproate 66.66 mg and valproic acid 29.03 mg prolonged-release oral granules sachet	Has precise active ingredient	True	Sodium valproate	Inferred relationship	Existential restriction modifier (core metadata concept)	2
Sodium valproate 66.66 mg and valproic acid 29.03 mg prolonged-release oral granules sachet	Has basis of strength substance (attribute)	True	Sodium valproate	Inferred relationship	Existential restriction modifier (core metadata concept)	2
Sodium valproate 166.76 mg and valproic acid 72.61 mg prolonged-release oral granules sachet	Has precise active ingredient	True	Sodium valproate	Inferred relationship	Existential restriction modifier (core metadata concept)	2
Sodium valproate 166.76 mg and valproic acid 72.61 mg prolonged-release oral granules sachet	Has basis of strength substance (attribute)	True	Sodium valproate	Inferred relationship	Existential restriction modifier (core metadata concept)	2
Sodium valproate 333.3 mg and valproic acid 145.14 mg prolonged-release oral granules sachet	Has precise active ingredient	True	Sodium valproate	Inferred relationship	Existential restriction modifier (core metadata concept)	2
Sodium valproate 333.3 mg and valproic acid 145.14 mg prolonged-release oral granules sachet	Has basis of strength substance (attribute)	True	Sodium valproate	Inferred relationship	Existential restriction modifier (core metadata concept)	2
Product containing precisely sodium valproate 1 gram/1 sachet prolonged-release oral granules (clinical drug)	Has precise active ingredient	True	Sodium valproate	Inferred relationship	Existential restriction modifier (core metadata concept)	1
Product containing precisely sodium valproate 1 gram/1 sachet prolonged-release oral granules (clinical drug)	Has basis of strength substance (attribute)	True	Sodium valproate	Inferred relationship	Existential restriction modifier (core metadata concept)	1
Product containing precisely sodium valproate 150 milligram/1 each gastro-resistant oral tablet (clinical drug)	Has precise active ingredient	True	Sodium valproate	Inferred relationship	Existential restriction modifier (core metadata concept)	1
Product containing precisely sodium valproate 150 milligram/1 each gastro-resistant oral tablet (clinical drug)	Has basis of strength substance (attribute)	True	Sodium valproate	Inferred relationship	Existential restriction modifier (core metadata concept)	1
Sodium valproate 300 mg gastro-resistant oral tablet	Has precise active ingredient	True	Sodium valproate	Inferred relationship	Existential restriction modifier (core metadata concept)	1
Sodium valproate 300 mg gastro-resistant oral tablet	Has basis of strength substance (attribute)	True	Sodium valproate	Inferred relationship	Existential restriction modifier (core metadata concept)	1
Sodium valproate 600 mg gastro-resistant oral tablet	Has precise active ingredient	True	Sodium valproate	Inferred relationship	Existential restriction modifier (core metadata concept)	1
Sodium valproate 600 mg gastro-resistant oral tablet	Has basis of strength substance (attribute)	True	Sodium valproate	Inferred relationship	Existential restriction modifier (core metadata concept)	1
Product containing precisely sodium valproate 150 milligram/1 each prolonged-release oral capsule (clinical drug)	Has precise active ingredient	True	Sodium valproate	Inferred relationship	Existential restriction modifier (core metadata concept)	1
Product containing precisely sodium valproate 150 milligram/1 each prolonged-release oral capsule (clinical drug)	Has basis of strength substance (attribute)	True	Sodium valproate	Inferred relationship	Existential restriction modifier (core metadata concept)	1
Product containing precisely sodium valproate 300 milligram/1 each prolonged-release oral capsule (clinical drug)	Has precise active ingredient	True	Sodium valproate	Inferred relationship	Existential restriction modifier (core metadata concept)	1
Product containing precisely sodium valproate 300 milligram/1 each prolonged-release oral capsule (clinical drug)	Has basis of strength substance (attribute)	True	Sodium valproate	Inferred relationship	Existential restriction modifier (core metadata concept)	1
Product containing precisely sodium valproate 60 milligram/1 milliliter conventional release oral solution (clinical drug)	Has precise active ingredient	True	Sodium valproate	Inferred relationship	Existential restriction modifier (core metadata concept)	1
Product containing precisely sodium valproate 60 milligram/1 milliliter conventional release oral solution (clinical drug)	Has basis of strength substance (attribute)	True	Sodium valproate	Inferred relationship	Existential restriction modifier (core metadata concept)	1
Sodium valproate 500 mg prolonged-release oral granules sachet	Has precise active ingredient	True	Sodium valproate	Inferred relationship	Existential restriction modifier (core metadata concept)	1
Sodium valproate 500 mg prolonged-release oral granules sachet	Has basis of strength substance (attribute)	True	Sodium valproate	Inferred relationship	Existential restriction modifier (core metadata concept)	1
Sodium valproate 100 mg/mL solution for infusion and/or injection	Has precise active ingredient	True	Sodium valproate	Inferred relationship	Existential restriction modifier (core metadata concept)	1
Sodium valproate 100 mg/mL solution for infusion and/or injection	Has basis of strength substance (attribute)	True	Sodium valproate	Inferred relationship	Existential restriction modifier (core metadata concept)	1
Product containing precisely sodium valproate 100 milligram/1 milliliter conventional release solution for infusion (clinical drug)	Has precise active ingredient	True	Sodium valproate	Inferred relationship	Existential restriction modifier (core metadata concept)	1
Product containing precisely sodium valproate 100 milligram/1 milliliter conventional release solution for infusion (clinical drug)	Has basis of strength substance (attribute)	True	Sodium valproate	Inferred relationship	Existential restriction modifier (core metadata concept)	1
Serum sodium valproate measurement (procedure)	Component	True	Sodium valproate	Inferred relationship	Existential restriction modifier (core metadata concept)	1
Sodium valproate blood measurement	Component	True	Sodium valproate	Inferred relationship	Existential restriction modifier (core metadata concept)	1

This concept is not in any reference sets

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Id	Description	Lang	Type	Status	Case?	Module
1481572018	Valproate sodium	en	Synonym (core metadata concept)	Active	Entire term case insensitive (core metadata concept)	SNOMED CT core
1492110013	Sodium dipropylacetate	en	Synonym (core metadata concept)	Active	Entire term case insensitive (core metadata concept)	SNOMED CT core
1492111012	Sodium alpha-propylvalerate	en	Synonym (core metadata concept)	Active	Entire term case insensitive (core metadata concept)	SNOMED CT core
1492112017	DPA sodium	en	Synonym (core metadata concept)	Active	Entire term case sensitive (core metadata concept)	SNOMED CT core
2693321012	Sodium valproate	en	Synonym (core metadata concept)	Active	Entire term case insensitive (core metadata concept)	SNOMED CT core
5170815016	Sodium valproate (substance)	en	Fully specified name	Active	Entire term case insensitive (core metadata concept)	SNOMED CT core
1461659017	Valproate sodium (substance)	en	Fully specified name	Active	Only initial character case insensitive (core metadata concept)	SNOMED CT core
1461659017	Valproate sodium (substance)	en	Fully specified name	Active	Entire term case insensitive (core metadata concept)	SNOMED CT core
1481572018	Valproate sodium	en	Synonym (core metadata concept)	Active	Only initial character case insensitive (core metadata concept)	SNOMED CT core
1481572018	Valproate sodium	en	Synonym (core metadata concept)	Active	Entire term case insensitive (core metadata concept)	SNOMED CT core
1492110013	Sodium dipropylacetate	en	Synonym (core metadata concept)	Active	Only initial character case insensitive (core metadata concept)	SNOMED CT core
1492110013	Sodium dipropylacetate	en	Synonym (core metadata concept)	Active	Entire term case insensitive (core metadata concept)	SNOMED CT core
1492111012	Sodium alpha-propylvalerate	en	Synonym (core metadata concept)	Active	Only initial character case insensitive (core metadata concept)	SNOMED CT core
1492111012	Sodium alpha-propylvalerate	en	Synonym (core metadata concept)	Active	Entire term case insensitive (core metadata concept)	SNOMED CT core
1492112017	DPA sodium	en	Synonym (core metadata concept)	Active	Only initial character case insensitive (core metadata concept)	SNOMED CT core
1492112017	DPA sodium	en	Synonym (core metadata concept)	Active	Entire term case sensitive (core metadata concept)	SNOMED CT core
2693321012	Sodium valproate	en	Synonym (core metadata concept)	Active	Only initial character case insensitive (core metadata concept)	SNOMED CT core
2693321012	Sodium valproate	en	Synonym (core metadata concept)	Active	Entire term case insensitive (core metadata concept)	SNOMED CT core
5170815016	Sodium valproate (substance)	en	Fully specified name	Active	Entire term case insensitive (core metadata concept)	SNOMED CT core
51411000195111	valproato sodico	it	Synonym (core metadata concept)	Active	Entire term case insensitive (core metadata concept)	SNOMED CT Switzerland NRC maintained Module
65641000195116	Valproat natrium	de	Synonym (core metadata concept)	Active	Entire term case sensitive (core metadata concept)	SNOMED CT Switzerland NRC maintained Module
235281000195114	Natriumvalproat	de	Synonym (core metadata concept)	Active	Entire term case sensitive (core metadata concept)	SNOMED CT Switzerland NRC maintained Module
18061000188113	sodium valproate	fr	Synonym (core metadata concept)	Active	Entire term case insensitive (core metadata concept)	SNOMED CT Switzerland NRC maintained Module
848741000172115	valproate sodique	fr	Synonym (core metadata concept)	Active	Entire term case insensitive (core metadata concept)	SNOMED CT Switzerland NRC maintained Module
1119671000241119	valproate de sodium	fr	Synonym (core metadata concept)	Active	Entire term case insensitive (core metadata concept)	SNOMED CT Switzerland NRC maintained Module
18061000188113	sodium valproate	fr	Synonym (core metadata concept)	Active	Entire term case insensitive (core metadata concept)	SNOMED CT Switzerland NRC maintained Module
848741000172115	valproate sodique	fr	Synonym (core metadata concept)	Active	Entire term case insensitive (core metadata concept)	SNOMED CT Switzerland NRC maintained Module
1119671000241119	valproate de sodium	fr	Synonym (core metadata concept)	Active	Entire term case insensitive (core metadata concept)	SNOMED CT Switzerland NRC maintained Module
51411000195111	valproato sodico	it	Synonym (core metadata concept)	Active	Entire term case insensitive (core metadata concept)	SNOMED CT Switzerland NRC maintained Module
65641000195116	Valproat natrium	de	Synonym (core metadata concept)	Active	Entire term case sensitive (core metadata concept)	SNOMED CT Switzerland NRC maintained Module
235281000195114	Natriumvalproat	de	Synonym (core metadata concept)	Active	Entire term case sensitive (core metadata concept)	SNOMED CT Switzerland NRC maintained Module