INTERNATIONAL CLASSIFICATION of HEADACHE DISORDERS 2nd edition (ICHD-II) Headache Headache: a clinical tour clinical part tour2: foraresidents Secondary for headache disorders residents ICHD-II. Cephalalgia 2004; 24 (Suppl 1) March 2010 Lucy Vieira MD ©International Headache Society 2003/4 Headache is the Most Common Symptom that Humans Experience Primary headaches (No underlying cause) Migraine Tension-type TACs Other Secondary headaches (Underlying cause) Medication overuse Head/neck injury Space-occupying lesion (i.e. brain tumour) Vascular cause (i.e. Subarachnoid hemorrhage, intracranial bleed) >65% in Infectious cause (i.e. meningitis patients or upper respiratory tract infection) older than 50 + many others Headache Classification Committee of the International Headache Society,1988 Any secondary Headache disorder can mimic a primary headache disorder Wolff HG, et al., 2001 1876 consec pts (38yo); 2/3 non acute:1.2% ◦ 99% had normal neuro exam ◦ Pituitary adenoma, arachnoid cyct, meningioma, hydrocephalus, chiari I, stroke, cavernoma, glioma.. ◦ Half treated surgically ◦ Only one lesion not appreciated on CT US headache consortium meta-analysis of patient with migraine and normal exam: 0.18% rate of significant pathology therefore imaging not indicated. Cephalalgia 2005;25:30-35. Neurology 1994;44:1353-54 Chronic Migraine New Daily Persistent Headache (NDPH) +/- medication overuse Chronic Daily Headache (CDH) Chronic Tension Type Headache Headache Classification Subcommittee of the International Headache Society, 2004 Hemicrania Continua Other What are the Secondary Causes of Chronic Headaches? Medication Overuse Headache (MOH) Sleep apnea Cervicogenic headache Chronic Daily Headache (CDH) Post-traumatic headache Decreased ICP (spontaneous intracranial hypotension) Increased ICP Other (tumour/mass, pseudotumour cerebri, hydrocephalus) What are the Headache “Red Flags”? Systemic symptoms (fever, weight loss) Secondary risk factors (cancer, HIV/immunocompromised) Neurologic symptoms or abnormal signs Onset (i.e. new-onset chronic headache) Older patient (i.e. new headaches at age >50 yrs) Previous headache different (i.e. significant change in headache frequency or clinical features) Positional component (i.e. increases when upright) Provocative factors (precipitated by coughing, exercise, sex) Vitals (particularly BP) Pupil symmetry, reactivity and fundoscopy Visual fields Eye movements Motor – look for asymmetrical weakness R vs L Reflexes – look for asymmetry (increased reflexes) R vs L Sensation – extinction to double simultaneous tactile stimuli Coordination – finger-nose-finger, gain and tandem gait Examine/touch the head and neck Olesen J , et al., 2006 Pryse –Phyllips WEM, et al., 1997 Part 2: The secondary headaches 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 12. Headache attributed to psychiatric disorder Part 2: The secondary headaches ICHD-II. Cephalalgia 2004; 24 (Suppl 1) ©International Headache Society 2003/4 Primary or secondary headache? Primary: • no other causative disorder Primary or secondary Secondary headache? (ie, caused by another disorder): • new headache occurring in close temporal relation to another disorder that is a known cause of headache • coded as attributed to that disorder ICHD-II. Cephalalgia 2004; 24 (Suppl 1) ©International Headache Society 2003/4 Diagnosis Primary Headache only Primary and Secondary Temporal relation of the other disorder to headache worsening Loose Close Degree of worsening Slight Marked Evidence disorder causes secondary headaches Weak Strong Other disorder eliminated Headache unchanged Headache improves The Headaches, 3rd edition. Lippincott Williams and Wilkins 2006 5. Headache attributed to head and/or neck trauma 5.1 Acute post-traumatic headache 5.2 Chronic post-traumaticattributed headache 5. Headache to 5.3 Acute headache attributed to whiplash injury head and/or neck trauma 5.4 Chronic headache attributed to whiplash injury 5.5 Headache attributed to traumatic intracranial haematoma 5.6 Headache attributed to other head and/or neck trauma 5.7 Post-craniotomy headache ICHD-II. Cephalalgia 2004; 24 (Suppl 1) ©International Headache Society 2003/4 Secondary headache after injury Should begin within 7 days of head injury (to meet IHS criteria) Consider diagnosis: subdural, CSF leak, dissection Headaches may resemble primary headache disorders (i.e. migraine, tension) Often assoc with other “postconcussive” symptoms: vertigo, tinnitus, cognitive changes, sleep problems, depression, medication overuse There is no evidence-based approach and no guidelines 6. Headache attributed to cranial or cervical vascular disorder 6.1 Headache attributed to ischaemic stroke or transient ischaemic attack Up to 1/3 pts with stroke 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 Carotid or vertebral artery pain 6.6 Headache attributed to cerebral venous thrombosis 6.7 Headache attributed to other intracranial vascular disorder 6. Headache attributed to cranial or cervical vascular disorder ICHD-II. Cephalalgia 2004; 24 (Suppl 1) ©International Headache Society 2003/4 -anterior communicating artery (30-35%), -the bifurcation of the internal carotid and posterior communicating artery (30-35%) -the bifurcation of the middle cerebral artery (20%) -bifurcation of the basilar artery, and the remaining posterior circulation arteries (5%) Utility of CT and LP in SAH • CT: 90-95% sensitivity within 24h • 80% at 3 days, 50% at 1 week. • MRI FLAIR (3-14 d more sensitive than CT) • LP may be negative less than 2 hours after the bleed; – most sensitive at 12 hours after symptom onset. – Xanthochromia (yellow-to-pink CSF supernatant) usually is seen by 12 hours Symptoms • • • • Headache Neck stiffness n/v, photophobia Mental status 85-95% 74-84% 48% 43% • Less common: – Focal deficit, seizures, coma, CN palsy, papilledema, ocular hemorrhage *sentinel bleed First primary sexual or exertional headache • SAH has to be excluded as 1/3 of SAHs occur during activities such as bending, lifting, defecation or sexual intercourse. Case 1 • 44 year old woman • right sided headache and facial pain • Onset to peak pain – 1-2 minutes – 1 week ago • Characterized as an intense aching throb “unlike my other headaches” • Associated with intermittent right sided pulsatile tinnitus adapted from D. Capobianco June 2006 AHS and Wityk, R. J. JAMA 2001;285:2757-2762 • Why coming now to MD? – “My husband thought I should because of ringing in my ear.” • Phx: migraine with/without aura • Neurological exam: normal • Ct scan and LP normal. Sent home after getting a little better with metoclopramide and meperidine IV. • Next day driving car and started to drive on the median and eventually taken to hospital by the police. There she was found to have a subtle right Horner's syndrome, mild slowing of left fine finger movements and left visual extinction. • A diagnostic test was done Imaging of Stroke Wityk, R. J. JAMA 2001;285:2757-2762. Copyright restrictions may apply. Anatomy of Carotid Artery Dissection 2cm distal to carotid origin -ends at skull base Subintimal dissection -stenosis Mickey mouse ears: expansion by hyperintense hematoma of the outer lumen of the artery Wityk, R. J. JAMA 2001;285:2757-2762. Copyright restrictions may apply. Carotid Dissection • Fronto-orbital headache before ischemia: 55-100% • Painful Horner’s, Painful tinnitus • Carotid bruit, dysguesia, ipsilateral neck pain, cerebral or retinal ischemia • Triggers: cough, sneeze, trauma • Risks: syphilis, Marfans, Ehlers-Danlos, FMD • Prognosis: good (60% resolve spont.;85% do well) 37 year old after a motorcycle accident Sara Mazzucco, MD; and Nicolo` Rizzuto, MD Neurology 2006 cavernoma MRI demonstrating a left-sided cavernoma (a and b) with an associated developmental venous anomaly (c) in the dorsal midbrain region adjacent to the periaqueductal grey matter. Cephalalgia, Vol. 22, No. 2, 107-111 (2002) MS MS patients with a plaque located within the midbrain, in proximity to the PAG, showed a four-fold increase in migrainelike headaches (odds ratio 3.91, 95% confidence interval 2.01 to 7.32; P < .0001) when compared to MS patients without a plaque in this location Headache 2005 Jun;45(6):670-7 occipital arteriovenous malformation 34-year-old man started to experience monthly headaches: visual prodrome consisting of scintillating bright lights in the left visual field that slowly expanded over several minutes. Shortly after the visual symptom subsided, right-sided throbbing headaches developed along with nausea and vomiting, which usually lasted 2 to 4 hours. Normal neuro exam. He was treated by radiosurgery with obliteration of the AVM and resolution of the headaches Kurita, H. et al. Arch Neurol 2000;57:1219 CASE IN THE ER A 23 year-old man with known migraine Cc: generalized tonic-clonic seizure. He had a second seizure in the emergency room. He complained of severe dull occipital headaches of recent onset, different from his usual migraines. He denied head injury. Clinical examination was unremarkable. CT brain was significant for hemorrhage in the left frontal lobe and MRI shows bi-frontal (parasagital) hemorrhages. Erle C.H. Lim, Raymond C.S. Seet: Sudden-Onset Headache And Seizures In A Young Man. The Internet Journal of Neurology. 2005. Volume 4 Number 2 6.6 Cerebral Venous Sinus thrombosis 5 patterns of presentation 1. Isolated Intracranial hypertension 1. Progressive onset over days to weeks 2. Papilledema 3. CN6 palsy, tinnitus, visual obscurations 2. Venous infarction with focal signs 1. Mimics arterial stroke 2. Chronic and progressive like a tumor or abscess 3. Subacute encephalopathy 1. Diffuse HA with decr LOC 2. Focal signs 3. Seizures 4. +/-papilledema 4. Cavernous sinus thrombosis 1. Frontal headache 2. Chemosis, proptosis, opthalmoparesis 5. Thunderclap headache mimics SAH Secondary causes of CVST • Hypercoagable state – Factor V Leiden, Protein C & S,ATIII deficiency, prothrombin gene mutation,etc • • • • • Cancer Sepsis, dehydration, infections Behcet’s SLE Estrogen – pregnancy, puerperium 6.4 Headache attributed to arteritis 6.4.1 Headache attributedattributed to giant cell arteritis 6.4 Headache to (GCA) arteritis 6.4.2 Headache attributed to primary central nervous system (CNS) angiitis 6.4.3 Headache attributed to secondary central nervous system (CNS) angiitis ICHD-II. Cephalalgia 2004; 24 (Suppl 1) ©International Headache Society 2003/4 Arteritis Headache • Cerebral vasculitis – – – – – Primary angiitis of the CNS AIDS, zoster Fungal, viral, parasitic, treponemal meningitis Drug related - amphetamines, cocaine, Lymphoma (angioendotheliosis) • Systemic vasculitis – – – – – Behcet’s - genital ulcers, arthritis, eye PAN - fever, arthralgias, myalgias, mononeuropathies Churg-Strauss - asthma, eosinophilia, neuropathy Wegener’s – lower/upper resp, ANCA, neuropathy SLE - fever, rash, arthritis, pleuritis, encephalopathy 6.4.1 Headache attributed to giant cell arteritis A. Any new persisting headache fulfilling criteria C and D B. At least one of the following: 1. swollen tender scalp artery with elevated erythrocyte sedimentation rate (ESR) and/or C reactive protein (CRP) 2. temporal artery biopsy demonstrating giant cell arteritis C. Headache develops in close temporal relation to other symptoms and signs of giant cell arteritis D. Headache resolves or greatly improves within 3 d of high-dose steroid treatment 6.4.1 Headache attributed to giant cell arteritis ICHD-II. Cephalalgia 2004; 24 (Suppl 1) ©International Headache Society 2003/4 GCA • Rare: 15/100000 adults>50 • (mean age 70) • Steroid responsive patchy granulomatous vasculitis of BV media with destruction of the internal elastic lamina. • Esp involves: superficial temporal, posterior ciliary, ophthalmic and vertebral arteries (parallels amount of elastic tissue in the media) • Usually not involve intradural BVs. • PMR • Most common symptom: new headache in older pt. • Local symptoms: headache, visual loss, temporal artery ( beading, irregularities, tenderness, pulselessness), jaw claudication and scalp tenderness. • Systemic symptoms: fever, weight loss, PMR Schmerling RH JAMA 2006 295: 2525-2534 Table. Clinical Predictors of Temporal Arteritis __ Likelihood Ratio Variable (95% Confidence Interval) Positive Negative Symptoms and Signs Beaded temporal artery Prominent or enlarged temporal artery Tender temporal artery Absent temporal artery pulse Any temporal artery finding Diploplia Jaw claudication 4.6 (1.1-18.4) 4.3 (2.1-8.9) 2.6 (1.9-3.7) 2.7 (0.55-13.4) 2.0 (1.4-3.0) 3.4 (1.3-8.6) 4.2 (2.8-6.2) 0.93 (0.88-0.99) 0.67 (0.5-0.89) 0.82 (0.74-0.92) 0.71 (0.38-1.3) 0.53 (0.38-0.75) 0.95 (0.91-0.99) 0.72 (0.65-0.81) Laboratory Data Erythrocyte sedimentation rate normal >50 mm/h >100 mm/h 1.1 (1.02-1.2) 1.2 (1.0-1.4) 1.9 (1.1-3.3) 0.2 (0.08-0.51) 0.35 (0.18-0.67) 0.8 (0.68-0.95) Schmerling RH JAMA 2006-295 6.7 Headache attributed to other intracranial vascular disorder 6.7.1 Cerebral Autosomal Dominant 6.7 Headache attributed to Arteriopathy with Subcortical Infarcts and other intracranial vascular Leukoencephalopathy (CADASIL) 6.7.2 Mitochondrial Encephalopathy, Lactic disorder Acidosis and Stroke-like episodes (MELAS) 6.7.3 Headache attributed to benign angiopathy of the central nervous system 6.7.4 Headache attributed to pituitary apoplexy ICHD-II. Cephalalgia 2004; 24 (Suppl 1) ©International Headache Society 2003/4 6.7.1 CADASIL A. Attacks of migraine with aura, with or without other neurological signs B. Typical white matter changes on MRI T2WI C. Diagnostic confirmation from skin biopsy evidence or genetic testing (Notch 3 mutations) (Chrom. 19) 6.7.1 CADASIL *Migraine with aura in 1/3 and may precede MRI changes up to 15 y. *Typical aura except higher freq. long auras and can ©International Headache Society 2003/4 be hemiplegic or basilar-like. ICHD-II. Cephalalgia 2004; 24 (Suppl 1) Figure 1a. Transverse FLAIR MR images Auer, D. P. et al. Radiology 2001;218:443-451 Copyright ©Radiological Society of North America, 2001 Figure. Fluid-attenuated inversion recovery MRI scans from a patient with a notch3 mutation shows typical involvement of the anterior temporal poles (arrow in A) and the external capsule (arrow in B), and characteristic images at the level of the lateral ventricles (C) Markus, H. S. et al. Neurology 2002;59:1134-1138 Figure. (A) FLAIR MR image showing extensive white matter signal hyperintensities in temporopolar regions and cystic changes Smith, B. W. et al. Neurology 2002;59:961 6.7.3 Benign or Reversible Angiopathy (reversible vasoconstriction) Diffuse severe HA (can be TCH), string and beads on MRA, CSF normal, 1-2months **confused with SAH and with vasculitis** Associated conditions Pregnancy and puerperium Early puerperium, late pregnancy, eclampsia, preeclampsia, and delayed postpartum eclampsia Exposure to drugs and blood products Phenylpropanolamine, pseudoephedrine, ergotamine tartrate, methergine, bromocriptine, lisuride, selective serotonin reuptake inhibitors, sumatriptan, isometheptine, cocaine, ecstasy, amphetamine derivatives, marijuana, lysergic acid diethylamide, tacrolimus (FK-506), cyclophosphamide, erythropoetin, intravenous immune globulin, and red blood cell transfusions Miscellaneous Hypercalcemia, porphyria, pheochromocytoma, bronchial carcinoid tumor, unruptured saccular cerebral aneurysm, head trauma, spinal subdural hematoma, postcarotid endarterectomy, and neurosurgical procedures Idiopathic No identifiable precipitating factor Associated with headache disorders, such as migraine, primary thunderclap headache, benign exertional headache, benign sexual headache, and primary cough headache Singhal AB, Bernstein RA. Neurocrit Care. 2005;3:91-7. Clinical features •CTA or MRA documenting multifocal segmental cerebral artery vasoconstriction •No evidence for aneurysmal subarachnoid hemorrhage •Normal or near-normal cerebrospinal fluid analysis •Severe, acute headaches, with or without additional neurologic signs or symptoms •Reversibility of angiographic abnormalities within 12 weeks after onset. Leonard H. Calabrese, DO; David W. Dodick, MD; Todd J. Schwedt, MD; and Aneesh B. Singhal, MD Ann Intern Med. 2007;146:34-44. ESR GCA CSF N Primary CNS angiitis N ALWAYS ABNORMAL Benign CNS angiopathy N N FHM N +/- 7. 7. Headache Headache attributed attributed to to non-vascular non-vascular intracranial intracranial disorder disorder 7.1 7.1 Headache Headache attributed attributed to to high high cerebrospinal cerebrospinal fluid fluid pressure pressure 7.2 7.2 Headache Headache attributed attributed to to low low cerebrospinal cerebrospinal fluid fluid pressure pressure 7.3 7.3 Headache Headache attributed attributed to to non-infectious non-infectious inflammatory inflammatory disease disease 7.4 7.4 Headache Headache attributed attributed to to intracranial intracranial neoplasm neoplasm 7.5 7.5 Headache Headache attributed attributed to to intrathecal intrathecal injection injection 7.6 7.6 Headache Headache attributed attributed to to epileptic epileptic seizure seizure 7.7 Headache attributed to Chiari malformation type I 7.8 Syndrome of transient Headache and Neurological Deficits with cerebrospinal fluid Lymphocytosis (HaNDL) 7.9 Headache attributed to other non-vascular intracranial disorder 7. Headache attributed to non-vascular intracranial disorder ICHD-II. Cephalalgia 2004; 24 (Suppl 1) ©International Headache Society 2003/4 7.1.1 Headache attributed to IIH A. Progressive headache with 1 of the following characteristics and fulfilling criteria C and D: 1. daily occurrence 2. diffuse and/or constant (non-pulsating) pain 3. aggravated by coughing or straining B. Intracranial hypertension (criteria on next slide) C. Headache develops in close temporal relation to increased intracranial pressure D. Headache improves after withdrawal of CSF to reduce pressure to 120-170 mm H2O and resolves within 72 h of persistent normalisation of intracranial pressure 7.1.1 Headache attributed to IIH ICHD-II. Cephalalgia 2004; 24 (Suppl 1) ©International Headache Society 2003/4 7.1.1 Headache attributed to IIH A. Diffuse constant headache worsened by coughing or straining B. Intracranial hypertension fulfilling the following criteria: 1. alert patient with neurological examination that either is normal or demonstrates any of the following abnormalities: a) papilloedema b) enlarged blind spot c) visual field defect (progressive if untreated) d) sixth nerve palsy 2. increased CSF pressure (>200 mm H2O [non-obese], >250 mm H2O [obese]) measured by lumbar puncture in the recumbent position or by epidural or intraventricular pressure monitoring 3. normal CSF chemistry (low CSF protein acceptable) and cellularity 4. intracranial diseases (including venous sinus thrombosis) ruled out by appropriate investigations 5. no metabolic, toxic or hormonal cause of intracranial hypertension 7.1.1 Headache attributed to IIH ICHD-II. Cephalalgia 2004; 24 (Suppl 1) ©International Headache Society 2003/4 MRI images Pathophysiology • Disorder of homeostasis where there may be: – – – – Increased brain water content Incr. cerebral blood volume Incr CSF production Venous outflow obstruction (increased resistance to CSF outflow) Secondary causes Disruption of outflow -venous thrombosis, dural fistula -radical neck dissection -right heart failure -COPD -(obesity) Hormonal -hypoparathyroidism -hyper/hypothyroidism -Cushing's ?Addison's -PCO Toxins/meds -vitamin A -Nalidixic acid,tetracycline,nitrofurantoin,indocid,steroids/withdrawal,others Medical conditions CRF, SLE, Anemia/polycythemia Infectiousmeningitis,encephalitis,Lyme,HIV Trauma CASE 40-year-old woman: posterior neck pain and orthostatic headaches (severe at times, dull or throbbing), worse with cough. Tinnitus, and distortion of hearing. Neurologic examination normal. Head MRI showed…. Classic Brain MRI features Diffuse pachymeningeal enhancement (T1 with gado) Descent of the brain – tonsils, loss of cisterns, post fossa crowding Pituitary Enlargement Flattening of the chiasm Subdural collections Engorged venous sinuses and small ventricles. CSF opening pressure was 3cm H2O A lumbar epidural blood patch offered no relief. Myelo – meningeal diverticulum Water-soluble myelogram/CT-myelogram showed frank extravasation of contrast to the paraspinal soft tissues at the L C7 root sleeve. Subsequently, the leak was surgically repaired via a left sixth through seventh cervical hemilaminectomy B. Mokri Mayo Clin Proc. 1999;74:1113-1123 7.2 Headache attributed to low cerebrospinal fluid pressure 7.2 Headache attributed to 7.2.1 Post-dural puncture headache lowfistula cerebrospinal fluid 7.2.2 CSF headache pressure 7.2.3 Headache attributed to spontaneous (or idiopathic) low CSF pressure (CSF below 5-9 cm H2O) ICHD-II. Cephalalgia 2004; 24 (Suppl 1) ©International Headache Society 2003/4 7.2.1 Post-dural (post-lumbar) puncture headache A. Headache that worsens within 15 min after sitting or standing and improves within 15 min after lying, with 1 of the following and fulfilling criteria C and D: 1. neck stiffness; 2. tinnitus; 3. hypacusia; 4. photophobia; 5. nausea B. Dural puncture has been performed C. Headache develops within 5 d after dural puncture D. Headache resolves either: 1. spontaneously within 1 wk 2. within 48 h after effective treatment of the spinal fluid leak 7.2.1 Post-dural (post-lumbar) puncture headache ICHD-II. Cephalalgia 2004; 24 (Suppl 1) ©International Headache Society 2003/4 47 year old executive, father of 3. According to wife had a longstanding history of migraine. Headache continuous for 9 weeks and taking daily analgesics. Presented to the ER on the weekend as headache no longer responding. Had been working until the Friday before. In ER, physician described that the patient was behaving in a bizarre fashion, seemed agitated and inconsolable..?drug seeking. Given Maxeran then Dilaudid then Toradol with no improvement. The next morning a CT scan of the brain was ordered… Nice couple completely convinced that this was a terrible migraine that would eventually improve. Patient unable to lie down. Sitting in the chair grabbing his head and intermittently crying out in pain. Unable to answer direct questions on orientation and distractible. Pupils equal and reactive. Left babinski. Decreased LOC Hypertension/bradycardia? Ipsilateral parasympathetic dysfunction (dilated pupil)… 8.1.1 – NO donor: NTG, nitrates, nitrites 8.1.2 – Phosphodiesterase inhibitor: Viagra, etc – migraineurs most at risk; lower doses better. 10.1 Headache attributed to hypoxia and/or hypercapnia 10.1 Headache attributed to 10.1.1 High-altitude headache hypoxia and/or hypercapnia 10.1.2 Diving headache 10.1.3 Sleep apnoea headache ICHD-II. Cephalalgia 2004; 24 (Suppl 1) ©International Headache Society 2003/4 10.3 Headache attributed to arterial hypertension 10.3.1 Headache attributed to phaeochromocytoma 10.3.2 Headache attributed to hypertensive crisis 10.3 Headache attributed to without hypertensive encephalopathy arterial hypertension 10.3.3 Headache attributed to hypertensive encephalopathy 10.3.4 Headache attributed to pre-eclampsia 10.3.5 Headache attributed to eclampsia 10.3.6 Headache attributed to acute pressor response to an exogenous agent ICHD-II. Cephalalgia 2004; 24 (Suppl 1) ©International Headache Society 2003/4 11. Headache or facial pain attributed to disorder of cranium, neck, eyes, ears, nose, sinuses, teeth, mouth or other facial or cranial structures 11. Headache or facial pain attributed to disorder of cranium, 11.1 Headache attributed to disorder of cranial bone 11.2 Headache attributed to disorder neck neck, eyes, ears, nose, of sinuses, 11.3 Headache attributed to disorder of eyes mouth or other facialofor cranial 11.4teeth, Headache attributed to disorder ears structures 11.5 Headache attributed to rhinosinusitis 11.6 Headache attributed to disorder of teeth, jaws or related structures 11.7 Headache or facial pain attributed to temporomandibular joint (TMJ) disorder 11.8 Headache attributed to other disorder of the above ICHD-II. Cephalalgia 2004; 24 (Suppl 1) ©International Headache Society 2003/4 Part 3: Cranial neuralgias, central and primary facial pain and Part 3: other headaches Cranial neuralgias, central and primary facial pain and other 13. Cranial neuralgias and central causes of facial pain headaches 14. Other headache, cranial neuralgia, central or primary facial pain ICHD-II. Cephalalgia 2004; 24 (Suppl 1) ©International Headache Society 2003/4 13. Cranial neuralgias and central causes of facial pain 13.1 Trigeminal neuralgia 13.2 Glossopharyngeal neuralgia 13.313. Nervus intermedius neuralgia and Cranial neuralgias 13.4 Superior laryngeal neuralgia central causes 13.5 Nasociliary neuralgiaof facial pain 13.6 Supraorbital neuralgia 13.7 Other terminal branch neuralgias 13.8 Occipital neuralgia 13.9 Neck-tongue syndrome 13.10 External compression headache 13.11 Cold-stimulus headache ICHD-II. Cephalalgia 2004; 24 (Suppl 1) ©International Headache Society 2003/4 13. Cranial neuralgias and central causes of facial pain 13.12 Constant pain caused by compression, irritation or distortion of cranial nerves or upper cervical by structural lesions 13. roots Cranial neuralgias and 13.13 Optic neuritis causes of facial pain 13.14central Ocular diabetic neuropathy 13.15 Head or facial pain attributed to herpes zoster 13.16 Tolosa-Hunt syndrome 13.17 Ophthalmoplegic ‘migraine’ 13.18 Central causes of facial pain 13.19 Other cranial neuralgia or other centrally mediated facial pain ICHD-II. Cephalalgia 2004; 24 (Suppl 1) ©International Headache Society 2003/4 14.2 Headache unspecified A. Headache is or has been present 14.2 Headache unspecified B. Not enough information is available to classify the headache at any level of this classification WE don’t need to use this code most of the time! ICHD-II. Cephalalgia 2004; 24 (Suppl 1) ©International Headache Society 2003/4