The International Classification of Headache Disorders (ICHD) is a detailed hierarchical classification of all headache-related disorders published by the International Headache Society. It is considered the official classification of headaches by the World Health Organization, and, in 1992, was incorporated into the 10th edition of their International Classification of Diseases (ICD-10). Each class of headache contains explicit diagnostic criteria—meaning that the criteria include quantities rather than vague terms like several or usually—that are based on clinical and laboratory observations.
Contents
- ICHD 1 ICD10 G43 Migraine
- ICHD 2 ICD10 G442 Tension type headache TTH
- ICHD 3 ICD10 G440 Cluster headache and other trigeminal autonomic cephalagias
- ICHD 4 ICD10 G4480 Other primary headaches
- ICHD 5 ICD10 G4488 Headache attributed to head andor neck trauma
- ICHD 6 ICD10 G4481 Headache attributed to cranial or cervical vascular disorder
- ICHD 7 ICD10 G4482 Headache attributed to non vascular intracranial disorder
- ICHD 8 ICD10 G444 or G4483 Headache attributed to a substance or its withdrawal
- ICHD 9 ICD10 G44821 or G44881 Headache attributed to infection
- ICHD 10 ICD10 G44882 Headache attributed to disorder of homeostasis
- ICHD 11 ICD10 G4484 Headache or facial pain attributed to disorder of cranium neck eyes ears nose sinuses teeth mouth or other facial or cranial structures
- ICHD 12 ICD10 R51 Headache attributed to psychiatric disorder
- ICHD 13 ICD10 G44847 G44848 or G4485 Cranial neuralgias and central causes of facial pain
- ICHD 14 ICD10 R51 Other headache cranial neuralgia central or primary facial pain
- References
The ICHD was first published in 1988 (now known as the ICHD-1). A second version, the ICHD-2, was published in 2004. The most current version, ICHD-3 beta, was published in 2013.
ICHD 1, ICD10 G43: Migraine
Migraine without auraMigraine with auraChildhood periodic syndromes that are commonly precursors of migraineRetinal migraineComplications of migraineMigraine-triggered seizureProbable migraineICHD 2, ICD10 G44.2: Tension-type headache (TTH)
Infrequent episodic tension-type headacheFrequent episodic tension-type headacheChronic tension-type headacheProbable tension-type headacheICHD 3, ICD10 G44.0: Cluster headache and other trigeminal autonomic cephalagias
Cluster headacheParoxysmal hemicraniaShort-lasting unilateral neuralgiform headache with conjunctival injection and tearing (SUNCT)Probable trigeminal autonomic cephalagiaICHD 4, ICD10 G44.80: Other primary headaches
Primary stabbing headachePrimary cough headachePrimary exertional headachePrimary headache associated with sexual activityHypnic headachePrimary thunderclap headacheHemicrania continuaNew daily persistent headache (NDPH)ICHD 5, ICD10 G44.88: Headache attributed to head and/or neck trauma
Acute post-traumatic headacheChronic post-traumatic headacheAcute headache attributed to whiplash injuryChronic headache attributed to whiplash injuryHeadache attributed to traumatic intracranial haematomaHeadache attributed to other head and/or neck traumaPost-craniotomy headacheICHD 6, ICD10 G44.81: Headache attributed to cranial or cervical vascular disorder
Headache attributed to ischaemic stroke or transient ischaemic attackHeadache attributed to non-traumatic intracranial haemorrhageHeadache attributed to unruptured vascular malformation(Sturge Weber syndrome)
Headache attributed to arteritisCarotid or vertebral artery painHeadache attributed to cerebral venous thrombosis (CVT)Headache attributed to other intracranial vascular disorderInfarcts and Leukoencephalopathy)
episodes)
ICHD 7, ICD10 G44.82: Headache attributed to non-vascular intracranial disorder
Headache attributed to high cerebrospinal fluid pressureor hormonal causes
Headache attributed to low cerebrospinal fluid pressureHeadache attributed to non-infectious inflammatory diseaseHeadache attributed to intracranial neoplasmcaused by neoplasm
Headache attributed to intrathecal injectionHeadache attributed to epileptic seizureHeadache attributed to Chiari malformation type I (CM1)Syndrome of transient Headache and Neurological Deficits with cerebrospinal fluid Lymphocytosis (HaNDL)Headache attributed to other non-vascular intracranial disorderICHD 8, ICD10 G44.4 or G44.83: Headache attributed to a substance or its withdrawal
Headache induced by acute substance use or exposureindications
Medication-overuse headache (MOH)Headache as an adverse event attributed to chronic medicationHeadache attributed to substance withdrawalICHD 9, ICD10 G44.821 or G44.881: Headache attributed to infection
Headache attributed to intracranial infectionHeadache attributed to systemic infectionHeadache attributed to HIV/AIDSChronic post-infection headacheICHD 10, ICD10 G44.882: Headache attributed to disorder of homeostasis
Headache attributed to hypoxia and/or hypercapniaDialysis headacheHeadache attributed to arterial hypertensionencephalopathy
Headache attributed to hypothyroidismHeadache attributed to fastingCardiac cephalalgiaHeadache attributed to other disorder of homoeostasisICHD 11, ICD10 G44.84: Headache or facial pain attributed to disorder of cranium, neck, eyes, ears, nose, sinuses, teeth, mouth or other facial or cranial structures
Headache attributed to disorder of cranial boneHeadache attributed to disorder of neckHeadache attributed to disorder of eyesHeadache attributed to disorder of earsHeadache attributed to rhinosinusitisHeadache attributed to disorder of teeth, jaws or related structuresHeadache or facial pain attributed to temporomandibular joint (TMJ) disorderHeadache attributed to other disorder of cranium, neck, eyes, ears, nose, sinuses,teeth, mouth or other facial or cervical structures
ICHD 12, ICD10 R51: Headache attributed to psychiatric disorder
Headache attributed to somatization disorderHeadache attributed to psychotic disorderICHD 13, ICD10 G44.847, G44.848, or G44.85: Cranial neuralgias and central causes of facial pain
ICHD 13.1, ICD10 G44.847: Trigeminal neuralgiaGlossopharyngeal neuralgiaNervus intermedius neuralgiaSuperior laryngeal neuralgiaNasociliary neuralgiaSupraorbital neuralgiaOther terminal branch neuralgiasOccipital neuralgiaNeck-tongue syndromeExternal compression headacheCold-stimulus headacheConstant pain caused by compression, irritation or distortion of cranial nerves or upper cervical roots by structural lesionsOptic neuritisOcular diabetic neuropathyHead or facial pain attributed to herpes zosterTolosa-Hunt syndromeOpthalamoplegic migraineCentral causes of facial painOther cranial neuralgia or other centrally mediated facial painICHD 14, ICD10 R51: Other headache, cranial neuralgia, central or primary facial pain
Headache not elsewhere classifiedHeadache unspecifiedReferences
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