American Psychiatric Association's Diagnostic and Statistical Manual of Mental Disorders, 4th Edition. These criteria are listed in the Paraphilia section, pg. 525.
Diagnostic criteria for 302.83 Sexual Masochism:
- Over a period of at least six months, recurrent, intense sexually arousing fantasies, sexual urges, or behaviors involving the act (real, not simulated) of being humiliated, beaten, bound or otherwise made to suffer.
- The fantasies, sexual urges, or behaviors cause clinically significant distress or impairment in social, occupational, or other important areas of functioning. Diagnostic criteria for 302.84 Sexual Sadism