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 disorder of cranial bone [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
11.3.2	Headache attributed to refractive errors [H52]	G44.843

Diagnostic criteria:

Recurrent mild headache, frontal and in the eyes themselves, fulfilling criteria C and D
Uncorrected or miscorrected refractive error (eg, hyperopia, astigmatism, presbyopia, wearing of incorrect glasses)
Headache and eye pain first develop in close temporal relation to the refractive error, are absent on awakening and aggravated by prolonged visual tasks at the distance or angle where vision is impaired
Headache and eye pain resolve within 7 days, and do not recur, after full correction of the refractive error

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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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