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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 7.2. Headache attributed to low cerebrospinal fluid pressure7.3. Headache attributed to non-infectious inflammatory disease7.3.1. Headache attributed to neurosarcoidosis [D86.8] 7.3.2. Headache attributed to aseptic (non-infectious) meningitis 7.3.3. Headache attributed to other non-infectious inflammatory disease 7.3.4. Headache attributed to lymphocytic hypophysitis [E23.6] 7.4. 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
7.3.1	Headache attributed to neurosarcoidosis [D86.8]	G44.823

Diagnostic criteria:

Headache, no typical characteristics known, fulfilling criteria C and D
Evidence of neurosarcoidosis¹
Headache develops in temporal relation to neurosarcoidosis
Headache resolves within 3 months after successful treatment of neurosarcoidosis

Note:

Evidence of neurosarcoidosis includes cranial nerve lesions, intracranial space-occupying lesion on MRI, aseptic meningitis and/or periventricular inflammatory focal lesions and homogeneously enhancing mass lesions that are confirmed on biopsy as non-caseating granulomas.

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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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