other medical conditions is also included in th is chapter. Its essential feature is the pres-
ence of one or more clinically significant psyc hological or behavioral factors that adversely
affect a medical condition by increasing the risk  for suffering, death, or disability. Like the
other somatic symptom and related disorders,  factitious disorder embodies persistent
problems related to illness percep tion and identity. In the great majority of reported cases
of factitious disorder, both imposed on self and imposed on another, individuals present
with somatic symptoms and medical disease convi ction. C onsequently, DSM-5 factitious
disorder is included among the somatic symp tom and related disorders. Other specified
somatic symptom and related disorder and un specified somatic symptom and related dis-
order include conditions for which some, but no t all, of the criteria for somatic symptom
disorder or illness anxiety disord er are met, as well as pseudocyesis.