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The International Classification of Headache Disorders (ICHD) is a detailed hierarchical classification of all headache-related disorders published by the International Headache Society. [1] It is considered the official classification of headaches by the World Health Organization , and, in 1992, was incorporated into the 10th edition of their ...
This is a shortened version of the sixth chapter of the ICD-9: Diseases of the Nervous System and Sense Organs. It covers ICD codes 320 to 389. The full chapter can be found on pages 215 to 258 of Volume 1, which contains all (sub)categories of the ICD-9. Volume 2 is an alphabetical index of Volume 1.
Tension headache, stress headache, or tension-type headache (TTH), is the most common type of primary headache. The pain usually radiates from the lower back of the head, the neck, the eyes, or other muscle groups in the body typically affecting both sides of the head. Tension-type headaches account for nearly 90% of all headaches.
The DSM-5 (2013), the current version, also features ICD-9-CM codes, listing them alongside the codes of Chapter V of the ICD-10-CM. On 1 October 2015, the United States health care system officially switched from the ICD-9-CM to the ICD-10-CM. [1] [2] The DSM is the authoritative reference work in diagnosing mental disorders in the world.
Most of these primary headaches are tension headaches. [79] Most people with tension headaches have "episodic" tension headaches that come and go. Only 3.3% of adults have chronic tension headaches, with headaches for more than 15 days in a month. [79] Approximately 12–18% of people in the world have migraines. [79]
Under the category of headache attributed to a substance or its withdrawal, the ICHD specifies the diagnostic criteria for oestrogen-withdrawal headache (8.4.3, G44.83 and Y42.4), and suggests that both that diagnosis and one of the menstrual migraine diagnoses be used in case of migraines related to oestrogen withdrawal occurring mainly at ...
Traction and inflammatory headaches are symptoms of other disorders, ranging from stroke to sinus infection. Specific types of headaches include: Tension headache; Migraine; Idiopathic intracranial hypertension (headache with visual symptoms due to raised intracranial pressure) Ictal headache; Cluster headache
Mixed tension migraines are also known as mixed migraines or mixed headaches.They combine characteristics of tension headaches and migraines.. A person may be thought to have mixed headaches when, in addition to experiencing muscle tension headaches, they begin to experience migraine symptoms as well, such as light sensitivity triggering an attack.