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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 8.1. Headache induced by acute substance use or exposure  8.2. Medication-overuse headache (MOH) 8.3. Headache as an adverse event attributed to chronic medication [code to specify substance] 8.4. Headache attributed to substance withdrawal 8.4.1. Caffeine-withdrawal headache [F15.3] 8.4.2. Opioid-withdrawal headache [F11.3] 8.4.3. Oestrogen-withdrawal headache [Y42.4] 8.4.4. Headache attributed to withdrawal from chronic use of other substances [code to specify substance] Bibliography9. 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
8.4.3	Oestrogen-withdrawal headache [Y42.4]	G44.83

Diagnostic criteria:

Headache or migraine fulfilling criteria C and D
Daily use of exogenous oestrogen for ≥3 weeks, which is interrupted
Headache or migraine develops within 5 days after last use of oestrogen
Headache or migraine resolves within 3 days

Comment:

Oestrogen-withdrawal following cessation of a course of exogenous oestrogens (such as during the pill-free interval of combined oral contraceptives or following a course of replacement or supplementary oestrogen) can induce headache and/or migraine.

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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