Outbound Relationships	Type	Target	Active	Characteristic	Refinability	Group	Values
Chronic tension-type headache	Is a	Headache disorder	false	Inferred relationship	Existential restriction modifier
Chronic tension-type headache	Finding site	Brain tissue structure	false	Inferred relationship	Existential restriction modifier	1
Chronic tension-type headache	Has definitional manifestation	Pain	false	Inferred relationship	Existential restriction modifier
Chronic tension-type headache	Is a	Disorder of brain	false	Inferred relationship	Existential restriction modifier
Chronic tension-type headache	Has definitional manifestation	Headache	false	Inferred relationship	Existential restriction modifier
Chronic tension-type headache	Is a	Tension-type headache	true	Inferred relationship	Existential restriction modifier
Chronic tension-type headache	Is a	Chronic headache disorder	true	Inferred relationship	Existential restriction modifier
Chronic tension-type headache	Clinical course	Chronic	true	Inferred relationship	Existential restriction modifier	1
Chronic tension-type headache	Finding site	Head structure	true	Inferred relationship	Existential restriction modifier	2

Inbound Relationships	Type	Active	Source	Characteristic	Refinability	Group
Intractable chronic tension headache	Is a	True	Chronic tension-type headache	Inferred relationship	Existential restriction modifier
Episodic tension-type headache	Is a	True	Chronic tension-type headache	Inferred relationship	Existential restriction modifier

This concept is not in any reference sets

Id	Description	Lang	Type	Status	Case?	Module
345361012	Chronic tension-type headache	en	Synonym	Active	Entire term case insensitive	SNOMED CT core module
618282017	Chronic tension-type headache (disorder)	en	Fully specified name	Active	Entire term case insensitive	SNOMED CT core module