Home Introduction Prefaces Introduction to the classification How to Use This Classification Subcommittees and working groups The Classification Table of contents Part I: The primary headaches Part II: The secondary headaches Part III: Cranial neuralgias, facial pain and other headaches Appendix Definition of Terms

More IHS Resources

The International Headache Society (IHS) is the world's membership organisation for all whose professional commitment, whatever their discipline, is to helping people whose lives are affected by headache disorders.Visit the IHS website

1. MIGRAINE 2. TENSION-TYPE HEADACHE (TTH) 3. CLUSTER HEADACHE AND OTHER TRIGEMINAL AUTONOMIC CEPHALALGIAS 3.1. Cluster headache 3.2. Paroxysmal hemicrania 3.3. Short-lasting unilateral neuralgiform headache attacks with conjunctival injection and tearing (SUNCT) 3.4. Probable trigeminal autonomic cephalalgia 3.4.1. Probable cluster headache 3.4.2. Probable paroxysmal hemicrania 3.4.3. Probable short-lasting unilateral neuralgiform headache attacks with conjunctival injection and tearing References4. OTHER PRIMARY HEADACHES 

IHS	Diagnosis	ICD-10
3.4	Probable trigeminal autonomic cephalalgia	G44.08

Description:

Headache attacks that are believed to be a subtype of trigeminal autonomic cephalalgia but which do not quite meet the diagnostic criteria for any of the subtypes described above.

Diagnostic criteria:

Attacks fulfilling all but one of the specific criteria for one of the subtypes of trigeminal autonomic cephalalgia
Not attributed to another disorder

Comment:

Patients coded as 3.4 Probable trigeminal autonomic cephalalgia or one of its subforms either have had an insufficient number of typical attacks or fail to fulfil one of the other criteria.

Sitemap

Consult the Sitemap to learn more about the structure of the classification and its main chapters.

IHS vs. ICD-10

To facilitate headache diagnosis in daily practice, the classification provides the corresponding WHO ICD-10NA codes for each IHS code.

IHS Subcommittee

The Classification Subcommittee prepares and revises the International Classification of Headache Disorders.

Downloads

Extend your electronic library with important IHS publications. All documents may be downloaded free of charge.

Cephalalgia

Cephalalgia is the official journal of the IHS. It contains original papers on all aspects of headache. The journal provides an international forum for original research papers, review articles and short communications.www.cephalalgia.org

IHS Discussion Group

Ask questions and share information about the 2nd edition of the Headache Classification in one of our peer-to-peer forums. To the Discussion Group

ICHD-II Full Text Search