The<unk>  (ICHD) is a detailed hierarchical classification of all<unk> -related disorders published by the<unk><unk>  Society. It is considered the official classification of<unk> s by the World Health Organization, and, in 1992, was incorporated into the 10th edition of their<unk>  Classification of Diseases (ICD-10). Each class of<unk>  contains explicit diagnostic criteria—meaning that the criteria include quantities rather than vague terms like several or usually—that are based on clinical and laboratory observations. The ICHD was first published in 1988 (now known as the ICHD-1). A second version, the ICHD-2, was published in 2004. The most current version, ICHD-3, was published in 2018.
International Classification of Headache Disorders
Migraine Specific Quality of Life
International Classification of Sleep Disorders
Cardiac psychology
Scatology
Chinese Classification of Mental Disorders
ICHD classification and diagnosis of migraine
Diagnostic and Statistical Manual of Mental Disorders