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

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5. HEADACHE ATTRIBUTED TO HEAD AND/OR NECK TRAUMA 6. HEADACHE ATTRIBUTED TO CRANIAL OR CERVICAL VASCULAR DISORDER 7. HEADACHE ATTRIBUTED TO NON-VASCULAR INTRACRANIAL DISORDER 7.1. Headache attributed to high cerebrospinal fluid pressure 7.1.1. Headache attributed to idiopathic intracranial hypertension (IIH) [G93.2] 7.1.2. Headache attributed to intracranial hypertension secondary to metabolic, toxic or hormonal causes 7.1.3. Headache attributed to intracranial hypertension secondary to hydrocephalus [G91.8] 7.2. Headache attributed to low cerebrospinal fluid pressure7.3. Headache attributed to non-infectious inflammatory disease7.4. Headache attributed to intracranial neoplasm [C00-D48]7.5. Headache attributed to intrathecal injection [G97.8] 7.6. Headache attributed to epileptic seizure [G40.x or G41.x to specify seizure type] 7.7. Headache attributed to Chiari malformation type I (CM1) [Q07.0] 7.8. Syndrome of transient Headache and Neurological Deficits with cerebrospinal fluid Lymphocytosis (HaNDL) 7.9. Headache attributed to other non-vascular intracranial disorder Bibliography and references8. HEADACHE ATTRIBUTED TO A SUBSTANCE OR ITS WITHDRAWAL 9. HEADACHE ATTRIBUTED TO INFECTION 10. HEADACHE ATTRIBUTED TO DISORDER OF HOMOEOSTASIS 11. HEADACHE OR FACIAL PAIN ATTRIBUTED TO DISORDER OF CRANIUM, NECK, EYES, EARS, NOSE, SINUSES, TEETH, MOUTH OR OTHER FACIAL OR CRANIAL STRUCTURES 12. HEADACHE ATTRIBUTED TO PSYCHIATRIC DISORDER 

IHS	Diagnosis	ICD-10
7.1	Headache attributed to high cerebrospinal fluid pressure	G44.820
Coded elsewhere	7.4.1 Headache attributed to increased intracranial pressure or hydrocephalus caused by neoplasm.

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.

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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

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