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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
7.1.3	Headache attributed to intracranial hypertension secondary to hydrocephalus [G91.8]	G44.820

Diagnostic criteria:

Headache with at least two of the following characteristics and fulfilling criteria C and D:
1. diffuse pain
2. worse in the morning
3. worse with Valsalva-like manoeuvres
4. accompanied by vomiting
5. associated with papilloedema, 6th nerve palsy, altered level of consciousness, gait instability and/or increased head circumference (in children <5 years old)
High-pressure hydrocephalus fulfilling the following criteria:
1. ventricular enlargement on neuroimaging
2. intracranial pressure >200 mm H²O in the non-obese or >250 mm H²O in the obese
3. no other intracranial disorder causing increased CSF pressure
Headache develops in close temporal relation to increased CSF pressure
Headache resolves within 72 hours of normalisation of CSF pressure

Sitemap

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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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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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