The international classification of headaches drafted by the Headache Committee in 2013 is the most important medical reference for the study of headaches disorders.

The International Classification of Headache Disorders is now in its third edition (ICHD-3).
We will use the codes proposed in the third edition.

Part one
-   The primary headaches

1. - Migraine
1.1    - Migraine without aura
1.2    - Migraine with aura
1.3    - Chronic migraine
1.4    - Complication of migraine
1.5    - Probable migraine
1.6    - Episodic syndromes that may be associate with migraine 

2. - Tension-type headache (TTH)
2.1    - Infrequent episodic tension-type headache
2.2    - Frequent episodic tension-type headache
2.3    - Chronic tension-type headache 
2.4    - Probable tension-type headache 

3. - Trigeminal Autonomic Cephalalgies (TACs)
3.1    - Cluster headache
3.2    - Paroxysmal hemicrania 
3.3    - Short-lasting unilateral neuralgiform headache attacks
3.4    - Hemicrania continua
3.5    - Probable trigeminal autonomic cephalalgies

4. - Other primary headache disorders
4.1    - Primary cough headache
4.2    - Primary exercise headache 
4.3    - Primary headache associated with sexual activity
4.4    - Primary thunderclap headache
4.5    - Could-stimulus headache 
4.6    - External pressure headache
4.7    - Primary stabbing headache
4.8    - Nummular headache
4.9    - Hypnic headache
4.10    - New daily persistent headache (NDPH) 

Part two
-   The secondary headaches

5. - Headache attributed to trauma or injury to the head and/or neck
5.1    - Acute headache attributed to traumatic injury to the head 
5.2    - Persistent headache attributed to traumatic injury to the head 
5.3    - Acute headache attributed to whiplash 
5.4    - Persistent headache attributed to whiplash 
5.5    - Acute headache attributed to craniotomy
5.6    - Persistent headache attributed to craniotomy 

6. - Headhace attributed to cranial or cervical vascular disorder
6.1    - Headache attributed to hischaemic stroke or transient ischaemic attack (TIA)
6.2    - Headache attributed to non-traumatic intracranial haemorrhage
6.3    - Headache attributed to unruptured vascular malformation
6.4    - Headache attributed to arteritis 
6.5    - Headache attributed to cervical carotid or vertebral artery disorder 
6.6    - Headache attributed to cerebral venous thrombosis (CVT)
6.7    - Headache attributed to other acute intracranial artery disorder
6.8    - Headache attributed to genetic vasculopathy
6.9    - Headache attributed to pituitary apoplexy 

7. - Headhace attributed to non-vascular intracranial disorders

8. - Headhace attributed to a substance or its withdrawal

9. - Headhace attributed to infection

10. - Headhace attributed to disorder of homoeostasis

11. - Headhace or facial pain attributed to disorder of the cranium, eyes, ears, nose, sinuses, teeth mouth or other facial or cervical structure
11.1    - Headhace attributed to disorder of cranial bone
11.2    - Headhace attributed to disorder of the neck 
11.3    - Headhace attributed to disorder of the eyes
11.4    - Headhace attributed to disorder of the ears
11.5    - Headhace attributed to disorder of the nose or paranasal sinuses 
11.6    - Headhace attributed to disorder of the teeth or jaw
11.7    - Headhace attributed to temporomandibular disorder (TMD)
11.8    - Head or facial pain attributed to inflammation of the stylohyoid ligament 
11.9    - Headhace or facial pain attributed to other disorder of the cranium, eyes, ears, nose, sinuses, teeth mouth or other facial or cervical structure

12. - Headhace attributed to psychiatric disorders

Part three
-   Painful cranial neuropathies, other facial pain and other headaches

13. - Painful cranial neuropathies, other facial pain

14. - Other headache disorders.

References
Headache Classification Commitee of International Headache Society: The International Classification of Headache Disorders - 3td edition; Cephalalgia 33(9) 629-808; 2013

Otolaryngology and Head and Neck Surgery
Carlo Govoni performs surgery ENT at the nursing home in Columbus Clinic Center, Buonarroti, 48, street Milan; and Hesperia Hospital, Arquà street, 80 - Modena (+39) 059393101.  Another ENT ambulatory is located in MILAN, Pietro Ogliari private street, civic number 3 - mobile (+39)3358040811 and MILAN, 64, Magenta street.  Phone: (+39) 0258103023

Only private visits by appointment. Phone (+39) 3358040811    

See also:  - Malignant External Otitis