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 8. 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 11.1. Headache attributed to other disorder of homoeostasis [M80-M89.8] 11.2. Headache attributed to disorder of neck [M99] 11.3. Headache attributed to disorder of eyes 11.3.1. Headache attributed to acute glaucoma [H40] 11.3.2. Headache attributed to refractive errors [H52] 11.3.3. Headache attributed to heterophoria or heterotropia (latent or manifest squint) [H50.3-H50.5] 11.3.4. Headache attributed to ocular inflammatory disorder [code to specify aetiology] 11.4. Headache attributed to disorder of ears [H60-H95] 11.5. Headache attributed to rhinosinusitis [J01] 11.6. Headache attributed to disorder of teeth, jaws or related structures [K00-K14] 11.7. Headache or facial pain attributed to temporomandibular joint (TMJ) disorder [K07.6] 11.8. Headache attributed to other disorder of cranium, neck, eyes, ears, nose, sinuses, teeth, mouth or other facial or cervical structures [code to specify aetiology] Bibliography12. HEADACHE ATTRIBUTED TO PSYCHIATRIC DISORDER 

IHS	Diagnosis	ICD-10
11.3.1	Headache attributed to acute glaucoma [H40]	G44.843

Diagnostic criteria:

Pain in the eye and behind or above it, fulfilling criteria C and D
Raised intraocular pressure, with at least one of the following:
1. conjunctival injection
2. clouding of cornea
3. visual disturbances
Pain develops simultaneously with glaucoma
Pain resolves within 72 hours of effective treatment of glaucoma

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

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