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
A debilitating migraine attack lasting for more than 72 hours.
- The present attack in a patient with 1.1 Migraine without aura is typical of previous attacks except for its duration
- Headache has both of the following features:
- unremitting for >72 hours
- severe intensity
- Not attributed to another disorder
Interruption during sleep is disregarded. Short-lasting relief due to medication is also disregarded. Status may often be caused by medication overuse and should be coded accordingly. Non-debilitating attacks lasting >72 hours but otherwise meeting these criteria are coded as 1.6.1 Probable migraine without aura.
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.
The Classification Subcommittee prepares and revises the International Classification of Headache Disorders.
The International Classification of Headache Disorders, 3rd edition, beta version
Extend your electronic library with important IHS publications. All documents may be downloaded free of charge.
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.http://cep.sagepub.com/
IHS Discussion Group
Ask questions and share information about the 2nd edition of
the Headache Classification in one of our peer-to-peer
To the Discussion Group